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Greeting. Here is all the information that you need to know about China Shangdian Stainless Steel

We are proud to introduce **Cheng-jiu (CNCJ)**, a leading Chinese manufacturer specializing in stainless steel flanges, pipe fittings. With strong independent R&D and production capabilities, our brand has earned an excellent reputation in China and beyond.

Jinan JiangHua Forging Machinery Co., Ltd was established in 1995. The company located in the eastern suburd of Jinan, possesses a favorable position: With Jinan International Airport to its west and Qingdao Port to its east. The company covers 480, 000 square meters, has 38, 000, 000, 000 RMB investment and possesses 360 staffs and more than 30 technicians. Annual capacity is more than 10000 tons.

Xingsheng Machinery Technology Co., Ltd. Was established in 1990. It is a leading manufacturer of stainless steel flanges, sanitary pipe fittings and valves with more than 30 years of experience in the industry. The company has an area of 20, 000 square meters and 200 employees, half of them are technicians who understand production and quality. We rely on the geographical advantages of Wenzhou City, which is close to Ningbo Port, Shanghai Port and Yiwu China-Europe Train Hub, and rely on the high-quality and efficient raw material of stainless steel and special steel have supplied by Tsingshan Holding Group. After more than 30 years of development, we have created efficient machining production capabilities and an experienced production team.

Hebei Yueyao Pipeline Manufacturing Co., Ltd. is located in Yanshan County, Cangzhou City, Hebei Province, with an annual output of 20, 000 tons, and is committed to the research and production of pipeline systems.

Zhejiang Haisheng Jinhuan Machine Co., Ltd. ("Jinhuan" for short) was founded in 2005, and is located in the scenic Dongcheng Industrial Zone of Suichang County. Jinhuan produces and forges flanges, stainless steel flanges, pressure vessel flange forgings and rings, carbon steel flanges, pressure vessel flanges, sterilization pot flanges, tube sheets, slewing bearing rings, sleeve joint gear, gear shaft forging stocks, etc. (Maximum Diameter: φ 3500mm)

ShanXi HongKai Forging Co., Ltd. Was located in Dingxiang County, known as the "Hometown of Forging Flanges" in Shanxi Province, which is part of Chinese energy and heavy chemical industrial base. The area boasts convenient transportation, abundant coal and power resources, fast communication, and an excellent environment. The company has three big workshops in total. We have 20 years experiences in flanges and forging industry, we can produce 20, 000MT per year. We have strength capacity to produce the flange in every process.  

Hebei Pengrun Pipe Fittings Manufacturing Co., Ltd. Has been specializing in steel pipe fittings and pipeline accessories since 2012. Located in Yanshan County, Hebei, China's core pipe fittings industrial base, we boast solid production scale, strong capital strength and an experienced professional technical team, fully capable of supporting your bulk orders and customized pipeline matching needs.

SHANXI SOLID INDUSTRIAL Co., Ltd. is located in the heavy industry province of Shanxi, which is abundant in iron ore, coke, steel and other industrial raw materials. We are one professional manufacturer in China for the pipeline products. We supply a comprehensive range products such as Ductile iron pipes, Ductile iron pipe fittings, Dismantling joints, Flange adaptors, Couplings, Steel pipes, Steel pipe fittings, PVC / PE/ PPR pipes, PVC/ PE/ PPR pipe fittings, Valves, Manhole covers, flanges, Rubber O rings, Fasteners, Pumps, water meters and other castings and forgings according to various international standards. We can also make the castings and forgings according to customers' drawings or samples. Our products are widely used in pipeline system for drinkable water, sewage, oil, gas, chemical plants and so on, and they have been widely exported to Europe, Middle East, South East Asia, Africa, Middle and South America for years. Up to now, we have exported our products to more than one hundred countries, they are well accepted by the customers and have won good reputation both at home and aboard.

Hebei Xinqi Pipeline Equipment Co., Ltd is a professional manufacturer of steel pipe accessories in China. We specialize in manufacturing a wide variety of industrial pipe fittings, including pipe expansion joint, compensator, dismantling joint, flange, elbow, bend, reducer, tee, cross, cap, forged fittings. Our products are made from different kinds of metals, carbon steel, stainless steel, alloy steel, alumnium. They are available in different sizes, shapes and types in accordance with international standards such as ISO, ASME, MSS, API, EN, DIN, BS, GOST, JIS, AFNOR, GB and more. Our industrial pipe fittings fall into 4 main categories as below:

Hebei Rich Pipe Fitting Mill Co. Ltd is an enterprise specializing in producing and exporting forged flanges, steel pipe fittings, fasteners, gaskets, steel pipes anchor blocks and anchor plates. It covers about 60, 000 square meters, and the capital assets is 7 million US dollar. Our factory is located in Tianjin to the north and Bohai sea to the east, near to Beijing city, named " the hometown of steel elbow and pipe fitting ", Which have a superior geographical location and convenient transportation.

WENZHOU SINCO STEEL CO. Ltd (ZHEJIANG TSINGCO PIPING TECHNOLOGY Co., Ltd ). Is one of the leading manufacturer and exporter for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings, flanges, valves etc to our customers home and abroad.

Haichuang Heavy Industry (Henan) Co., Ltd. Focuses on the field of precision machinery, integrating research and development, manufacturing, and sales of mechanical products. The development history of the company can be traced back to Xinxiang Haichuang Transmission Equipment Co., Ltd., which was established on December 14, 2011 and later officially renamed Haichuang Heavy Industry (Henan) Co., Ltd. The personnel scale of Haichuang is stable at over 170 people, with a research and development team of 12 people, an engineering team of over 50 people, a professional technical worker team of over 90 people, and over 100 sets of various processing equipment, providing a solid foundation for the continuous and stable operation of the enterprise, ensuring professionalism and efficiency in all business processes.

Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.

Shandong Meiling Chemical Equipment Co., Ltd. Was built in 1958 and currently employs more than 1, 200 people, including college education of engineers and technicians account for more than 30%. Enterprise total area of 360, 000 square meters, engaged in energy-efficient heat exchanger design and manufacture of non-ferrous metals (titanium, zirconium, nickel) pressure vessel; Automotive braking systems, exhaust manifold, turbochargers and other auto parts manufacturing; High-strength fasteners, air conditioning centrifugal fan, heavy forging manufacturing; Design and manufacturing, environmental engineering design, construction and operation of urban water supply and quality of production of mineral water and other environmental protection equipment.

HEBEI CANGRUN PIPELINE EQUIPMENT Co., Ltd is a professional manufacturer of industrial pipes, industrial pipe fittings and flanges, based in China. Our products include all types of industrial pipe fittings and flange, they are widely used in electric power, petrochemical, chemical, pharmaceutical, boiler, heating, shipbuilding, and other industries.

Cangzhou Hangxin Flange Co. Ltd., established in 2016, is engaged in the manufacture and export of flanges and pipe fittings. Our factory is located in Mengcun County, the hometown of elbow fittings in China, 120km north of Tianjin and 260km northwest of Beijing Capital International Airport, with convenient transportation.

HDSTEEL Group (HD-STEEL) was established in 2011 and is located in Yanshan Industrial Zone, Cangzhou, Hebei, well known as China's "Pipe Fittings Capital. " With a registered capital of RMB 8 million and a 5, 000 m² production facility, we are a professional manufacturer and supplier of steel pipes, flanges, and pipe fittings.

Founded in 1988, SYI Group Companies have served the society for over 30 years with best Municipal, Pipeline and Machinery Products & Services, including Pipes, Fittings, Universal Couplings, Flanged Adaptors, Dismantling Joints, Valves, Fire Hydrants, Manhole Covers, Gully Gratings, Surface Boxes, Manhole Steps, Tree Gratings, Bollards, Flanges, Lifting Anchors and other OEM Castings and Forgings.

Hebei Xintai Pipeline Technology Co., Ltd.

Taizhou Jiahe Machinery Co., Ltd. Was established on March 10, 2014, with Ge Mingkun as the legal representative. The company is located in Hailing District, Taizhou City, Jiangsu Province. It primarily engages in the manufacturing and sales of compressors, compressor accessories, and diesel engine components. The company holds multiple patented technologies, including a splined shaft with a quick-disassembly structure, a fixed fixture for bent plate processing, a planetary gear transmission device, and a gear chamfering processing device, reflecting its technical expertise in the mechanical manufacturing field. Additionally, the company possesses a road transport business license, ensuring the logistics needs of its products. Taizhou Jiahe Machinery Co., Ltd. Has been awarded the titles of National High-Tech Enterprise in 2024 and Provincial Innovative Small and Medium-Sized Enterprise in 2025. With a comprehensive technological R&D system and specialized heat treatment production lines, the company provides supporting services to major enterprises such as XCMG and FAW. In the mechanical manufacturing sector, the company enhances production efficiency through advanced equipment like CNC lathes and machining centers, while also equipping high-end inspection facilities, including gear testing centers and spectrometers, to ensure product quality.

Shanxi DongHuang Wind Power Flange Manufacturing Co., Ltd. Located in Dingxiang Forging Industrial Zone, Shanxi, China, is dedicated to the Manufacturing and Exporting, Studying and Marketing of big-sized steel Flanges, Ring and Square Forgings, Accessories and other related elements for various industries involving Basic industries, Renewable Energy, Wind-Mill Plant, Oil & Gas Industries, Onshore, Offshore, Refinery, Petrochemicals, Water & WWTP, Food Processing Industries, Power & Shipbuilding Industries, Automotive, etc...We have the Representation and Authorization of Distribution of prestigious Manufacturers, leaders in the World Market that have the most demanding Certifications and Approvals of international organizations, in charge of accrediting the compliance of International Standards in the different processes, procedures, materials, testing, testing, storage, delivery and after-sales service of the manufactured products, in order to provide our Clients with reliable High Quality materials that provide Safety and Integrity in their Projects. Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.

Jinan MECH Piping Technology Co, Ltd is a professional manufacturer of ERW pipes, steel pipe nipples, spiral welded pipes. It is committed to the development and production of high-quality ERW pipes, steel pipe nipples, spiral welded pipes at domestic and abroad. The company is equipped with a number of advanced automatic equipment. The welding machines are all imported from Thermatool in the U. S with high-frequency welding machine and Lincoln welding machine. There are 7 ERW production lines with an annual production capacity of about 300, 000 tons. There are 2 galvanized production line with an annual production capacity of approximately 100, 000 tons. There are 4 coating production lines with an annual production capacity of approximately 50, 000 tons. We have 5 SSAW production lines with an annual production capacity of approximately 200, 000 tons. There are also many intelligent prefabricated equipment which can meet the multi-faceted and high-quality needs of different customers.

Qingdao Songfei Precision Machinery Co., Ltd. Was founded in 2018 with a registered capital of 5 million yuan. Through years of dedicated efforts, it has developed into a well-known specialized, sophisticated, distinctive and innovative enterprise in the industry. The company has two production plants, which are respectively located in the West Coast New Area of Qingdao City, Shandong Province and Jiaozhou City, Qingdao. The production plant in the West Coast New Area covers an area of 6, 200 square meters, and the one in Jiaozhou covers an area of 3, 600 square meters. The two plants work in tandem and synergize their efforts. The company specializes in the processing and customization of non-standard precision metal parts and products, with a wide range of service areas spanning multiple industries such as chemical equipment, photovoltaic cutting equipment, petroleum machinery, mining equipment, construction machinery, agricultural machinery, automotive parts, and industrial valves. With its excellent product quality and top-notch service standards, the company has won the trust of many overseas customers internationally. It has been providing customized services for well-known enterprises such as Sinto in Japan, Federal Mogul in the United States, RIGHT in Japan, OASYS in Canada, WABCO in the United States, and Posco in South Korea for a long time. In China, the company is equally highly regarded and is a strategic partner of leading enterprises in the industry such as Gaoce, CRRC (China Railway Rolling Stock Corporation), Jereh Oilfield Services, and Haimai Group. Together, they forge ahead and create a win-win situation. The company boasts strong strength, possessing more than 80 sets of various precision processing equipment such as gantry machines, horizontal/vertical machining centers, CNC lathes, laser cutting machines, CNC bending machines, casting and welding equipment. With a solid technical foundation, it currently has 150 employees, including 20 professional technicians. It covers diverse production processes such as machining, precision casting, forging, welding, and sheet metal processing. It has the one-stop enterprise service capability from design concept, model building, product manufacturing, precision processing, accurate inspection to finished product assembly, with each link closely connected and operating efficiently in coordination. At the same time, to ensure the absolute reliability of product quality, the company is equipped with a series of precision inspection equipment such as coordinate measuring machines, projectors, tensile testing machines, and metallographic analyzers, and controls every process with a rigorous inspection process. Over the years, Qingdao Songfei Precision Machinery Co., Ltd. Has always adhered to quality as the core, upheld the principle of integrity, and been guided by customer satisfaction. It has continuously invested in research and development, constantly optimized the production process, deeply explored the potential for cost control, and made every effort to shorten the delivery cycle. With its profound technical accumulation and professional service team, it solves the customization problems of complex parts for customers and is committed to becoming a world-class metal parts customization provider, creating an industry model with quality and ingenuity.

Ningbo Lutong hydraulic equipment Co., Ltd is a professional manufacturer of hydraulic pipe fittings. The quality of products are so good with ISO 9001: 2008 certificate to export America, Peru, Brasil, Mexico etc.

Longyao Chengxin Valve Co., Ltd., located in weijiazhuang Industrial Park, Longyao County, Hebei Province, is a professional company for manufacturing and selling valves and castings. The company was founded in 1993 and established as Longyao Chengxin Valve Co., Ltd. In 2005. After its establishment, due to the accurate market positioning, excellent quality and standardized internal management, the company has become a modern enterprise with considerable scale, and has a high reputation in the valve and casting industry in China.

Zhejiang Jiurong fluid equipment Technology Co., Ltd is a comprehensive enterprise with R&D, design, manufacturing and sales. The marketing network is distributed at home and abroad. It has imported advanced numerical control machine tools and spectrometers, material detectors, coarse excess detectors, ultrasonic flaw detectors, and other series of production and testing equipment to ensure the quality and accuracy of products. We can undertake: DIN, ANSI, JIS, BS, NF, GB, JB, SH, HG etc.

Hebei Cangtie Industrial Co., Ltd. is one of the large-scale enterprises specializing in steel pipes and pipe fittings in Hebei Province. Since its establishment, the company has continued to deepen its roots in the steel pipe industry and has achieved remarkable results. The company has a registered capital of 50 million yuan and has strong financial strength, which provides a solid guarantee for business expansion and technology research and development.

Founded in 2016, Wenzhou Chenye Flange Co., Ltd. is situated in Longwan District, Wenzhou - China's core industrial cluster for flange manufacturing. We are a professional manufacturer specializing in stainless steel flange forging, precision machining, standard flange production and custom non-standard flange solutions. With years of industry accumulation, we have developed stable production capacity and mature technical strength.

I. Basic Information