Shandong Zhongzheng Steel pipe Manufacturing CO.,LTD is a large seamless steel pipe manufacturing enterprise . It was founded in 2006 with 600 thousand ton of designed and manufactured and 25 hundred million sales income per year . Shandong zhongli steel pipe CO.,LTD It is my company subordinate enterprises, mainly responsible for international export trade Now we introduce our product as follows. Product One: (1).Product Name : Seamless Carbon Steel Pipe (2). Brand : Zhongzheng Steel Pipe ( By ourself ) (3).Specification: OD 21.3mm - 355.6mm ( 1/2'' - 14'') (4) Standard ; ASTM A106 GR B , ASTM A53 GR B SAE1020 SAE1045 JIS G4051 S20C JIS G4051 S45C JIS G3454 STPG370 JIS 3454 STPG42 DIN ST 45-8 DIN ST 52 (5) Tolerate: OD +1% / -1% Thickness +12.5% / -10% lengh 13mm Product Two: (1).Product Name : API 5L X42 X52 X60 X70 and 5CT J55 K55 N80 (2). Brand : Zhongzheng Steel Pipe ( OEM BLANT) (3).Specification: OD 60.3mm - 558.8mm ( 2'' - 22'' ) The max lengh 13M (4) Standard API 5L X42 X52 X60 X70& 5CT J55 K55 N80 (5) Technics : hot rolled . (6) Packing : Plastic Caps and mark on the pipe Company Name : Shandong Zhongzheng Steel Pipe Manufacturing Co.,Ltd Address : Liaocheng City Shandong Province China Contact Person : Mr. Yang Tell : 0086-635-8880099 Fax: 0086-635-8882844 Company ProfileBasic Information Authenticated and Audited.Click here for more third-party Authenticated and Audited information about this company. Company Name: Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd. Business Type: Manufacturer, Trading Company Product/Service(We Sell): Carbon and alloy Seamless Steel Pipe,API 5L Gr B & 5CT J55 K55 N80,Steel Pipe,seamless steel pipe,Oil Pipe Registered Address: (East Of Wuyishan Road, North Of Mudanjiang Road) Development Area, Liaocheng, Shandong, China (Mainland) Number of Employees: 101 - 200 People Company Website UR