(SZTSP)Tianjin Shenzhoutong Steel Pipe Co., Ltd. Product manufacturer of HFW / ERW carbonsteel pipe. OD: 5 1/2-13 3/8(139.7-339.7mm); WT: 0.203-0.5in(5.2-11.1mm), Steel grade:A,B,X42-X70, Q235,Q345,L245,H40,J55,K55; Standards: API spec 5L, API 5CT, ISO 9001-2008. Company Size SZTSP with investment R…

Hebei Yaosheng Petroleum Special Pipe Co., Ltd. is a professional manufacturer of OCTG casing and tubing pipes under the API spec. 5CT. Set up in 1996, our factory covers an area of 67,000 m2 and possesses fixed assets of RMB 60 million. Furthermore, we have a brother-sister company, Hebei Yaohua st…

Shinestar Steel Pipe Corporation Founded in 1993, Shinestar Steel Pipe Corporation is a professional manufacturer of steel products with 20 years history. The company employ over 400 staff totally at present, and will be more and more in the future. Our group have invested five factories throughout…