ZGL- one of the largest manufacturers of Carbon and Alloy seamless steel pipe in China, mainly produces the Mechanical Machining pipe, Boiler Pipe; Oil and casing Pipe; Hydraulic Pillar Pipe; Pressure Vessel Pipe; War industry Pipe. We've obtained API 5L; API 5CT and ISO 9001- 2008 certification.In 20 15, we built the machining factory to produce all kinds of roller with our own seamless steel pipe, the roller are widely used in paper machine; metallurgy; cloth equipment; plastic paper machine, etcIn 20 16, we built our production line of brass tube to produce the outside diameter 10 mm- 300 mm with any required wall thickness.Welcome to visit!

Picture	Certification Name	Certified By	Business Scope	Available Date --- Expired Date	Verified
	ISO9001	Signed on behalf of BM TRADA Certification Ltd	Manufacture and Sales of Pipeline Steel Pipes ,Oil Sleeve Seamless Pipes and Seamless Pipes for Fluid	2010-05-19 ~ 2012-05-18
	ISO9001	Signed on behalf of BM TRADA Certification Ltd	Manufacture and Sales of Pipeline Steel Pipes,Oil Sleeve Seamless Pipes and Seamless Pipes for Fluid	2009-05-20 ~ 2012-05-19

Business Type	Manufacturer, Trading Company	Country / Region	Shandong, China
Main Products	Steel Pipe, seamless steel pipe, seamless tube, alloy pipe, steel pipe deep production	Total Employees	Above 1000 People