CZWJ Stainless Steel Pipe Group Co., Ltd was founded in December 1970. As a national key high-tech enterprise, CZWJ is one of the largest stainless steel tube & pipe, fittings and flanges manufacturers in China.
The company covers an area of 700,000 square meters and employs about 1,300 people.
Products
Stainless steel seamless pipe
Specifications are Φ6 ～ Φ914 × 0.5 ～ 70mm, with an annual production capacity of 40,000 tons;
Stainless steel welded steel pipe
specifications are Φ15 ～ Φ2200 × 0.5 ～ 80mm, with an annual production capacity of 20,000 tons;
the annual production capacity of steel pipe fittings and flanges is 10,000 tons.
The main equipments are Φ50 ～ Φ250 series hot-rolled piercing units,
Manufacturing Capacities
LG30 ～ LG450 series cold-rolled units, YLB5T ～ YLB1000T series high-precision hydraulic cold-drawn units, large-scale sleeve boring units, computer-controlled natural gas roller hearth and box furnaces. Melting furnaces, normalizing furnaces, tempering furnaces and box furnaces, MU25M ～ MU711M stainless steel automatic pipe welding units, various pipe production units, etc.
Quality Management
The company always adheres to the development policy of “going on the road of quality and being a brand enterprise”, implements the quality goal of “satisfying all customers”, and is equipped with advanced testing equipment at home and abroad. Have superb testing such as ultrasonic flaw detector, eddy current flaw detector, hydraulic pressure tester, X-ray flaw detector, direct reading spectrometer, nitrogen and oxygen analyzer, hydraulic universal test machine, impact test machine, automatic carbon and sulfur analyzer, endoscope, etc. Equipment, testing methods are perfect.
Customers
The company's products are widely used in petroleum, chemical, natural gas, power equipment manufacturing and machinery equipment manufacturing industries. The company is a designated supplier of petrochemical enterprises such as Sinopec, PetroChina, CNOOC and other major boiler plants. It is a high-quality supplier of Dongfang Boiler Group Co., Ltd., a qualified supplier of Wison Engineering (China) Co., Ltd., and Samsung of China Huaning Coal Group. The company is a qualified supplier of Fuqing Project Department of China Nuclear Industry Corporation No. 3 and Construction Company, CTCI (Taiwan Zhongding Engineering Co., Ltd.) and SABIC, BHEL, EIL, SASOL and other qualified suppliers.
License and certifications
The company is the first batch of production licenses (formerly the State Metallurgical Industry Bureau) to obtain certification units. In 1992, it obtained the stainless steel seamless steel tube production license (originally issued by the State Metallurgical Industry Bureau). Production license, obtained national special equipment manufacturing license (pressure pipeline) in 2006. The company has successively obtained factory approvals such as DNV, Korean Register of Shipping (KR), American Bureau of Shipping (ABS) and European Union Certification (PED) in 2006, and passed API monogram certification in 2010.
The company passed the ISO9002: 1994 quality system audit certification of China Metallurgical Industry Quality System Certification Center in 1998, and passed the review in 2001. In order to expand domestic and foreign markets and promote product quality in line with international standards, in 2002, it passed the ISO9001: 2000 quality system certification of the French BVQI International Quality System Certification Center, passed the review in 2005 and 2008, and changed its version to ISO9001: 2008 quality system certification in 2010. . It passed the ISO14001 environmental system certification in 2007 and passed the review in 2010. In 2011, it passed OHSAS 18001 Occupational Health and Safety System Certification and SA 8000 Social Responsibility System Certification.