1. Mech

Country: China
Founded: 1961
About the company:
Mech Group was established in 1961 and, after 60 years of development, has grown into a large multinational enterprise group. The company’s core offerings include fluid transmission and metering products, electric power fittings, cast iron, and grouting sleeves, complemented by equity investment services.
As a leading supplier of fluid transmission products, Mech provides a wide range of products, such as steel pipes, valves, malleable steel pipe fittings, grooved pipe fittings, stainless steel pipe fittings, carbon steel pipe fittings, metal hoses, water meters, seismic supports, turnbuckle scaffolding, counterweight iron, and others. In addition, Mech provides intelligent production solutions, such as vertical warehouses, through its subsidiary, Meide.
Mech has production bases in Jinan, Linyi, Tai’an, Weihai, Hebi, Zhaoqing, Bangkok, Thailand, Vietnam Tongnai, and other domestic and international locations. This has enabled the company to establish a cross-regional, multi-base, and international development pattern.
Mech’s products and services are utilized in various application fields, such as water, fire protection, gas, HVAC, and irrigation. The company’s sales network covers over 30 countries and regions worldwide. Furthermore, Mech’s products are widely used in prominent buildings and projects, including the Burj Khalifa in Dubai, the New World Trade Center in New York, the Shanghai Center Building, UHV transmission lines, and the Beijing-Shanghai high-speed railway.
By adhering to a customer-centric approach to product development and innovation, our Group aims to address and guide the evolving needs of users. We strive to provide safe and reliable scientific and technological fluid delivery products and solutions to customers worldwide, positioning ourselves as leaders in the industry.
To achieve this, our Group leverages various R&D and innovation platforms, such as the National Enterprise Technology Center and postdoctoral research workstations. We work towards transforming technological innovations into productivity, and have successfully completed the transformation of our production processes from mechanization to automation and intelligence.
Furthermore, we have transformed our business management from being based on experience to institutionalization and process-oriented. Our marketing strategy has also evolved from selling products to providing solutions, which has steadily enhanced our role in the global value chain.
2. Jianzhi

Country: China
Founded: 1982
About the company:
Hebei Jianzhi Casting Group Co., Ltd. was established in 1982 and has been producing a wide range of Jianzhi pipe fittings for over 40 years. The company now occupies an area of 1 million square meters, with total assets worth 2.5 billion yuan, and employs over 4,500 staff, including 300 senior and intermediate engineering technicians.
The annual production of ductile iron grooved pipe fittings, malleable iron threaded pipe fittings, malleable iron plastic lined pipe fittings, various line fittings, and mechanical accessories is over 200,000 tons. These products are sold to more than 30 provinces, cities, and autonomous regions in China and exported to over 40 countries and regions, including Southeast Asia, Europe, Africa, South America, and Oceania. The company is a leader in the industry, with comprehensive strength.
The enterprise values quality and maintains its reputation. Since 2000, the company has made a promise to the market that it will reward customers with 500 yuan for returning a through-hole pipe fitting and 1618 yuan for returning a Jianzhi gray piece. As a result, the market rejection rate has always remained below 1/400,000.
The company has received numerous provincial and ministerial science and technology progress awards and has been granted over 100 patents. The Group has also passed the “three systems” certification for quality, environment, occupational health, and safety.
Scientific management systems, state-of-the-art production and testing equipment, and exquisite technology are utilized to ensure product quality. Since 1996, Jianzhi metal pipe fittings have been a well-known brand product in Hebei Province, and in 2013, they were recognized as “China’s Famous Brand of Masteel Pipe Fittings.”
In 2008, the company obtained the US “UL” certification, EU “CE” certification, Brazil “ABNT” certification, Türkiye “TSE” certification, US “FM” certification, Ministry of Public Security CCC certification, Indonesia “SNI” certification, SGS certification, and others.
The company has participated in the preparation (revision) of 10 national standards, 5 industrial standards, and 10 group standards. It has also played a key role in the preparation (revision) of national standards such as GBT3287, GBT9440, GB/T25746, and GBT36019.
The Group is situated in the frigid south of Yutian County, Hebei Province, in the center of the Beijing-Tianjin-Tang Golden Triangle.
The national first-class highway – Yubin Highway – passes through the plant area. It is 10km from the Yutian Yahong Bridge exit of the Beijing-Harbin Expressway to the south and 3km away from Yutian County and National Highway 102 to the north. The transportation is very convenient.
3. Xinfeng Pipe-fittings

Country: China
Founded: 1988
About the company:
Wuxi Xinfeng Pipe Industry Co., Ltd., formerly known as Wuxi Xinfeng Petrochemical Pipe Fittings Factory, is a wholly-owned subsidiary of Shandong Longquan Pipeline Engineering Co., Ltd. The company produces a full series of high, medium, and low pipe fittings and two-way pneumatic motor valve actuators.
The company is located in Hudai Industrial Park, Binhu District, with convenient transportation and a beautiful environment. It occupies an area of 66,700 square meters, including a housing construction area of 50,000 square meters. The company has fixed assets of 105.46 million yuan and a self-owned working capital of 305.68 million yuan.
In 1999, the company obtained the 1S09002 quality certification. It also received the pressure pipe manufacturing license issued by the State Bureau of Technical Supervision in December 2000, the high-tech enterprise award from the Jiangsu Provincial Science and Technology Commission in 2002, and the 1SO9001 quality system certificate and the European Union Pressure Directive PED product certificate issued by the French BV certification company in 2005.
The company offers over 1,000 product specifications across 15 categories, including seamless tee, cross, 180 °, 90 °, 45 ° elbow, concentric eccentric reducer, flanging nipple, pipe head, flange, forged socket series, connector, two-way air motor valve actuator, and more. Materials used include carbon steel, alloy steel, stainless steel, titanium, nickel, and others.
The company has a 4,000-ton and a 3,000-ton large oil press, two tee forming machines with a pressure of 3 × 1,250 tons and 3 × 650 tons, and a large medium-frequency elbow dual-use machine with a thrust of 1000 tons, which can process up to φ1420 * 60. Two all-fiber high-temperature trolley-type resistance furnaces and nearly 200 sets of 3000 * 2000 * 1900, 2000 * 1800 * 1500 natural gas heaters, and other equipment are also used in production.
The company has more than 50 sets of material analysis and testing equipment, such as a 60-ton material tensile testing machine, a high-temperature tensile testing machine, a normal-temperature and low-temperature impact testing machine, a computer-controlled infrared ultra-low carbon sulfur analyzer, an ARL quantitative analysis spectrometer, and a metallographic microscope.
Additionally, the company uses X-ray, magnetic particle, ultrasonic, penetrant, and other non-destructive testing methods to ensure the highest quality of pipe products.
The pipe fittings are formed using the current advanced international forming process, and the manufacturing standards adhere to GBT, SH, HG, JB, ANSI/ASME, MSS, J1S, DN, nuclear power standard RCC-M2000, and 2002 addendum.
The company’s products are primarily used in the petrochemical industry, electric power, textile, papermaking, nuclear power, and other fields. The company guarantees the timely supply and delivery of products with quality and quantity in strict accordance with contract requirements.
The company implements the “three guarantees” for products, which includes guaranteeing the manufacturing process, technology, and after-sales service. Furthermore, lifelong tracking guarantee is implemented for nuclear power products.
The company maintains the belief of prioritizing quality first and produces high-quality products according to the HAF003 national nuclear safety regulations and 1S09000 quality management system. The company is dedicated to meeting the needs of new and existing customers and providing wholehearted service to users.
4. Ever Foundry

Country: China
Founded: 2013
About the company:
Liaoning Ever Metal Forming Technology Co., Ltd. (formerly Liaoning Ever Casting Industry Co., Ltd.) is a new third-board listed enterprise (stock code: 872400) primarily engaged in the R&D, design, production, transportation, and trade of ductile iron pipe fittings and other castings.
The enterprise is situated in Yiyingkou City, a port city in the central Liaoning city cluster, facing the Bohai Sea. It is located in the core area of the Yingkou Port Economic Circle and is adjacent to Gaizhou West Station of Shenyang Dalian High-speed Railway and Gaizhoukou Station of Shenyang Haikou Expressway.
Established in 2013, the company has a registered capital of 62.5 million yuan and occupies an area of 102,000 square meters, with a modern standard factory building covering 60,000 square meters. The company operates four special production lines for different types of pipe fittings and various advanced smelting, cleaning, processing, spraying, and other supporting equipment.
It also possesses modern detection means such as a three-coordinate measuring instrument, carbon and sulfur analyzer, direct reading spectrometer, hydraulic servo universal material testing machine, ultrasonic thickness gauge, and more. The company has over 300 employees, including 60 engineering technicians.
The company adopts the lost foam+V method and cold box casting production process, and its leading products are positioned in DN80~DN2600 various national standards, international standards, European standards, or customized water delivery pipeline connectors and flats.
5. Yuanyang

Country: China
Founded: 1993
About the company:
This company is capable of independently developing products and meeting the unique requirements of customers. They have access to complete testing equipment and can monitor the quality of raw materials, semi-finished products, and finished products throughout the manufacturing process.
Additionally, the company holds multiple management system certificates, including S09001, 1S014001, and 1S045001. They also possess a “Manufacture License for Special Equipment of Pressure Pipeline Components,” which allows them to produce Grade A steel seamless pipe fittings, Grade B1 steel seam pipe fittings, Grade B forged pipe fittings, and forged flanges.
The company is recognized as a core supplier for Sinopec, PetroChina, and CNOOC, and has received recognition from CCS, BV, ABS, DNV, GL, and R.S.
Furthermore, they have obtained EU PED (TUV) and Canadian CRN certification. The company is also qualified to supply products to a variety of organizations, including China Shenhua, National Energy Group, China Coal Group, Zhongzhi Group, China Chemical Group, China Energy Construction Group, China Power Construction Group, China Huadian Group, China Nuclear Industry Construction Group, CIMC Group, COSCO Shipping, Datang Group, Sensong Group, Indonesia APP Group, Sasso, BASF, Bayer, Fluor, Wally Parson, Technip, and others.
The products produced by this company are extensively utilized in various industries, including petroleum, chemical, nuclear power, paper making, shipbuilding, metallurgy, and new energy, among others.
Over the years, the company’s dedication and hard work have resulted in improved reputation, management, product quality, and after-sales service. As a result, their products are in high demand, both domestically and internationally.
Their products have been exported to several countries, including Saudi Arabia, Kenya, South Africa, Gabon, Ghana, Malaysia, Indonesia, Guyana, Bangladesh, Uzbekistan, Kazakhstan, and many more. The Middle East, Africa, Southeast Asia, and Central Asia are some of the regions where the company has received widespread recognition and praise from customers.
The company’s policy is to utilize scientific management methods to build a first-class brand. They strive to offer high-quality products and excellent services to their customers, providing value to their clients’ businesses.
6. Jintong

Country: China
Founded: 1992
About the company:
Jiangyin Jintong Petrochemical Equipment Co., Ltd. is a joint-stock limited liability company located in the Jiangyin National High Tech Zone in Jiangsu Province, China. The company covers an area of 62168m2, including a building area of 46000m2, and currently employs 318 staff members. The workforce includes 2 professor-level senior engineers, 8 senior engineers, 12 engineers, and 228 technicians.
The company has been rated AAA in credit and recognized as a national high-tech enterprise in Jiangsu Province. It was founded in 1992 and has since established a static equipment manufacturing workshop spanning 9880㎡, with a lifting capacity of 250 tons and a height of 20 meters.
In 2010, the company collaborated with Shanghai University of Technology and CSIC 723 Research Institute to develop energy-saving, efficient heat exchange, and environmentally friendly equipment. The company remains dedicated to researching, developing, promoting, and applying efficient heat exchange equipment.
With a production capacity of 20000 tons of pressure vessels/heat exchangers (single heat exchange area less than 15000m) and 3 million pieces of pressure pipe components annually, the company has become a well-respected and established manufacturer in the industry.
The company is a material supplier to major corporations such as Sinopec, PetroChina, CNOOC, and China Shenhua, as well as to Sinopec Shanghai Petrochemical, Shanghai Gaohua, Shanghai SECCO, Zhenhai Refining & Chemical, Fujian Refining & Chemical, and Qingdao Refining & Chemical. It also supplies materials to PetroChina Lanzhou Petrochemical and Xinjiang Dushanzi Petrochemical, as well as to CNOOC Huizhou Refining & Chemical Co., Ltd.
In addition, the company provides materials to China Engineering Construction Corporation (SE), Shanghai Engineering Corporation (SSEC), Luoyang Engineering Corporation (LPEC), and China Huanqiu Contracting & Engineering Corporation (HQCEC).
The company has received unanimous praise and has been rated as an excellent supplier by several companies, including Shanghai Petrochemical, Shanghai Secco Ethylene Project, Xinjiang Dushanzi Development Project, Fujian United Integration, and Wuhan Ethylene Project.
The company manufactures products that adhere to various standards, including GB/T, SH, HG, JB, ANSl/ASME, MSS, and JIS.
The product materials include A234-WPB, WPL6, LF2, LF3, F11, F22, F91, Cr5Mo, 12Cr1MoV, 347H, 317L, 316L, 304L, Monel, Hastelloy, Inconel, Incoloy800, and nickel-based alloys. Additionally, the company can produce products according to the technical requirements provided by customers.
The company is committed to meeting customer requirements and follows the quality policy of “full participation, focus on quality, continuous improvement, and customer satisfaction.”
In the face of market competition, all employees of the company demonstrate an indomitable spirit of struggle, continuously forge ahead, and provide customers with high-quality and cost-effective products, as well as perfect after-sales service.
7. Jiuli

Country: China
Founded: 1987
About the company:
Zhejiang Jiuli Special Materials Technology Co., Ltd. is a listed enterprise (stock code 002318) that specializes in the research and development, as well as the production of industrial stainless steel and special alloy pipes, bars, wires, bimetal composite pipes, pipe fittings, and other pipe series products.
Founded in 1987, Jiuli Special Materials is located in Huzhou City, Zhejiang Province, on the south bank of Taihu Lake, at the center of the “Yangtze River Delta”. It is a holding subsidiary of Jiuli Group Co., Ltd.
The company has established a world-class seamless pipe production line, which includes hot extrusion piercing, cold rolling/cold drawing, and welding pipe production lines such as FFX forming and JCO forming.
With the national recognized enterprise technology center, CNAS, academician expert workstation, and postdoctoral research workstation as the innovation and research and development platform, the company ensures the production of safe products for industries such as petroleum, natural gas, electricity, nuclear power, chemical, shipbuilding, new energy, and others.
8. Wujin

Country: China
About the company:
Jiangsu Wujin Stainless Steel Co., Ltd. is a listed company in the door industry that produces stainless steel seamless steel pipes, stainless steel welded steel pipes, steel pipe fittings, and flange products [stock code: 603878]. The company was founded in the 1970s and 1980s and covers an area of 500 mu, employing over 900 workers.
The stainless steel seamless steel pipe specifications range from φ6 to φ914, with a thickness of 0.5mm to 70mm, and an annual capacity of 40,000 tons. Meanwhile, the stainless steel welded steel pipe specifications range from medium φ15 to φ2200, with a thickness of 0.5mm to 80mm, and an annual capacity of 20,000 tons. The company’s annual capacity for steel pipe fittings and flanges is 10,000 tons.
The main equipment includes a 50250 series hot rolling piercing unit, LG30LG450 series cold rolling unit, YLB5TYLB1000T series high-precision hydraulic cold drawing unit, large hole jacking and hole supporting unit, computer-controlled natural gas roller bottom type and box-type furnace solid solution furnace, normalizing furnace, tempering furnace, box-type furnace, MU25MMU711M stainless steel automatic welding pipe unit, various pipe fittings production units, etc.
The company always adheres to the development policy of “taking the road of high-quality products and becoming a brand enterprise.” It implements the quality goal of “satisfying all customers” and is equipped with advanced testing instruments.
The company has ultrasonic flaw detectors, eddy current flaw detectors, hydraulic testing machines, X-ray flaw detectors, direct reading spectrometers, ammonia oxygen analyzers, impact testing machines, automatic carbon sulfur analyzers, endoscopes, and other testing equipment, with perfect testing methods.
In 1998, the company passed the S09002:1994 quality system audit and certification of China Metal Industry Quality System Certification Center, and passed the reexamination in 2001.
To expand the domestic and foreign markets and promote product quality in line with international standards, the company passed the 1S09001:2000 quality system certification of BVQ1 International Quality System Certification Center in France in 2002, and passed the review in 2005 and 2008. It changed to the 1S09001:2008 quality system certification in 2010.
In 2007, the company passed the 1S014001 environmental system certification and passed the review in 2010.
In 2011, the company passed OHSAS18001 Occupational Health and Safety System Certification and SA8000 Social Responsibility System Certification.
9. Yuli

Country: China
Founded: 1998
About the company:
Yuli Enterprise was founded in 1998. As the enterprise developed, Yuli has become a group joint-stock enterprise integrating stainless steel transmission pipes and pipe fittings, valve manufacturing, product marketing, project engineering installation, and non-ferrous metal industry chain investment.
Suzhou Yuli Pipe Industry Co., Ltd. is located in Wujiang District, Suzhou City, with an area of 33,000m2, a building area of 21,000m2, and an annual output of 3,000 tons of stainless steel pipe fittings.
Yuli has successively passed the 1S09001:2000 international quality management system certification, TUV (AD2000 Merkblatt W0.PED97/23/EC Direct) product certification, China’s special equipment manufacturing license (TS certification of pressure pipeline elements), IS014001:2004 environmental certification, OHSAS18001:2007 occupational health and safety certification, CCS China Classification Society product factory approval, GL Germany Classification Society product factory approval, CNPC material suppliers, CNOOC material suppliers, and more.
Product scope
Yuli can use the following materials to produce various standard butt welding pipe fittings, forged pipe fittings, forged flanges, prefabricated parts, etc.:
ASTM: 304, 304L, 316, 316L, 317, 317L, 321, 321H, 347, 347H, 904L, S31803, A234WPB, etc.
J1S: SUS304, SUS304L, SUS316, SUS316L, SUS317L, SUS321, SUS321H, etc.
D1N: 1.4301, 1.4306, 1.4401, 1.4435, 1.4571, 1.4436, 1.4438, 1.4541, etc.
GB:0Cr18Ni9(06Cr19Ni10), 00Cr19Ni10(022Cr19Ni10), 00Cr17Ni14Mo2(022Cr17Ni12Mo2), 0Cr19Ni13Mo3, 0Cr18Ni10Ti(06Cr18Ni11Ti).
Note: New grades are shown in brackets Others: carbon steel, alloy steel, dual phase steel, aluminum alloy, etc.
Production standard
GB/ASTM/ASME/DIN/JIS etc.GB/T12459, GBT13401, HG/T21635, HG/T21631, SY5010, SH3408, SH3409, ASME/ANSI B16.9, JISB2311/2312/2313, D1N2605/2615/2616/2617
Specifications:
Seamless: from 1/2 to 24 ‘, wall thickness from SCH5S to SCH160S;
Seamed: from 12 ‘to 72’, wall thickness from SCH5S to SCH160S;
Non standard parts: can be processed according to customer drawings or samples.
10. NFF

Country: China
About the company:
Jiangyin Nanfang Pipe Fittings Manufacturing Co., Ltd. is located in Jiangyin Binjiang Development Zone, a new port city in the Yangtze River Delta. It is adjacent to the Yangtze River in the north, Taihu Lake in the south, Changzhou and Nanjing in the west, and Suzhou and Shanghai in the east, making transportation very convenient.
The company is a professional manufacturer of pressure pipe components. It produces butt welding, socket welding, threaded pipe fittings, elbows, flanges, non-standard pipe fittings, and other products for various industries, including petroleum, chemical, electric power, shipbuilding, papermaking, metallurgy, textile, pharmaceutical, food, and more.
The company has complete manufacturing and testing equipment that can meet the needs of various industries for pipe fittings of different specifications. Its current production capacity is 20,000 tons/year.
Advanced forming technology, mature manufacturing experience, perfect detection means, and standardized management methods ensure the safety and reliability of products. The products have been used and exported in many key projects in China and have won high praise from customers.
Since 1996, the company has established a quality management system according to the 1S09000 standard and passed the quality management system certification in 1997.
In 2009, it passed the certification of the 1S014000 Environmental Management System and OHSAS18000 Occupational Health and Safety Management System. The establishment of an effective quality management system is the key to the development of the company.
The product has passed the type test conducted by the national quality supervision department. The company has obtained relevant qualification certificates and PED/CE certification in Sinopec, PetroChina, electric power construction, national chemical industry, shipbuilding, and other industries. In 2002, it obtained the Manufacture License of Special Equipment of the People’s Republic of China (Pressure Piping Components).
The company has received certification/recognition from seven provinces, including Sinopec, PetroChina, CNOOC, National Chemical Engineering, China Classification Society, PED/CE, Alberta, Canada, Shell, APL, BP, Fluor, BASF, Masson Worley, Sasol, Saberjee, Kuwait National Petroleum Corporation, and more, becoming their pipe fitting supplier.
The company is a member of the National Technical Committee for Standardization of Pipeline Accessories and the Pressure Pipeline Sub Technical Committee of the National Technical Committee for Standardization of Boiler and Pressure Vessel. It is also the leading unit of the national standard of steel pipe fittings in China.