Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd.

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'... [Detailed Introduction]