duplex steel F51 F53 F55 F59 F60 F44 socket fittings cross high pressure class 3000 ,class 6000

We specializing in duplex steel socket pipe fittings,flange and pipes for almost 20 years,export these products to more than 50 countries all around the world.Customers' need is our core value,so that our products are in high quality and best prices.

About us:

duplex steel cross socket high pressure fittings manufacturer, zheheng steel is an industrial enterprise specializing in the production of stainless steel delivery pipes and pipe fittings, valves, the company's products are widely used in petroleum, petrochemical, paper, pharmaceutical, food, beer, electricity , Shipbuilding, natural gas, sewage, construction and other industries. The company has strong strength, and has brought together a group of high-level and high-quality professionals to ensure the stability and reliability of the product. Adhering to the quality policy of "improving the management system, continuous improvement, creating high-quality pipe fittings, enhancing the brand of Huanli, and surpassing customer expectations." Customer satisfaction continues to rise. The company embarked on a benign rapid development track. Established a perfect ISO9001: 2008 international quality assurance system, and passed the European Union Pressure Equipment Materials (PED / 97/23 / CE) in 2007, and passed the Pressure Pipe Special Equipment Manufacturing License (TS) in 2010.

The company has advanced production equipment: special automatic molding equipment, powerful electric solid melting furnace, and is equipped with an intelligent temperature controller that automatically records temperature and time, advanced shot blasting and pickling, passivation equipment, etc. The company now has advanced testing equipment and mastered the corresponding testing technology. Photoelectric direct reading spectrometer for chemical composition analysis; X-ray, ultrasonic, liquid penetration, etc. for non-destructive testing; hardness tester for hardness test; thickness gauge for wall thickness detection, etc.