タイトルまたは説明

Zhangjiakou High-Tech Steel Pipe Co., Ltd. was established in ***5, on the basis of Ningyuan Iron & Steel Works which had changed its old economic system. It is one of the manufactures that have specialized in producing the electrically-welded steel pipes the earliest in China. 　The company has equipments and technologies of the high-strength electrically-welded steel pipes line which were imported from Germany. The high frequency induction equipment is imported from EFD, which is in Norway. The equipments of threading line of tubing and casing used for petroleum and the process line of coupling were imported from America. The whole equipments and process technologies is advanced in the world. The tubing and casing of grade J*5 and N*0 which produce in the company have covered the blank of high grade ERW tubing and casing in the country. The production line of tubing of grade N*0 is the only one in the country. The company can produce **0.**0 tons tubing and casing a year. According to ISO ***1, API Spec Q1, the company have implemented an efficient quality assurance system. The standard used for product is API 5CT、API 5B. The ERW tubing and casing which produced by the company is certificated by Tubular Goods Research Center of CNPC in November, ***6. The product have the advantage of high precision, good toughness, low price and can resist crush and burst well, etc. It can instead of seamless tubing and casing gradually to reduce the cost of the establish of the well. The company is conveniently located in High-Tech New District, Zhangjiakou city, occupying an area of *****2 square meters and has a 3.5Km special railway line. The company has been adhering to the principle of Quality First and keeping introducing the advanced technology and learning up-to-date management experience from home and broad, ensured to provide products with excellent quality to all customers.