API 5L Gr.B seamless steel tube

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-15

Alloy steel tubes L555

Description Alloy steel pipe, alloy seamless steel pipe, alloy welded pipe,seamless alloy steel pipe,alloy pipe,alloy steel tube

2013-08-14

Alloy steel tube P22

Description Alloy steel pipe, alloy seamless steel pipe, alloy welded pipe,seamless alloy steel pipe,alloy pipe,alloy steel tube

2013-08-14

ASTM A106 Gr.B seamless steel pipe

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-07-29

ASTM A106 Gr.B seamless steel tubes

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-07-29

ASTM A106 Gr.B seamless steel tube

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-07-29

export carbon seamless steel tubes

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-07-29

export carbon seamless steel tube

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-07-29

supply seamless carbon steel tube

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-17

seamless carbon steel tubes exporter

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tubes factory

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tube factory

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tube manufacturer

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tubes manufactory

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tube manufactory

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14

seamless carbon steel tubes seller

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

2013-08-14