ZZGL@zrpiping.com

Along with the years of entrepreneurial journey of Zhongyuan people, she gradually formed her own spiritual pillar and behavioral norms. In the silent inheritance, she guided Zhongyuan Company towards a more brilliant tomorrow.

News 公司可生产螺旋缝双面埋弧焊钢管:219mm~3260mm口径钢管及防腐钢管,公司年产值100万吨,防腐160万平方米。
EN 10246-18

EN 10246-18 Non destructive testing of steel tubes-magnetic particle inspection of the tube ends for the detection of laminar imperfections of the detection of seamless and welded steel tubes

20 2025 / 04
EN 10246-17

EN 10246-17 Non destructive testing of steel tubes-ultrasonic testing of tube ends of seamless and welded steel tubes for the detection of laminar imperfections

20 2025 / 04
EN 10246-16

EN 10246-16 Non destructive testing of steel tubes-automatic ultrasonic testing of the area adjacent to the weld seam of welded steel tubes for the detection of laminal imperfections

20 2025 / 04
EN 10246-15

EN 10246-15 Non destructive testing of steel tubes -automatic ultrasonic testing of strip/plate used in the manufacture of welded steel tubes for the detection of laminar imperfections

20 2025 / 04
EN 10246-14

EN 10246-14 Non destructive testing of steel tubes-automatic ultrasonic testing for the detection of laminal imperfections for seamless and welded (except submerged arc-welded)steel tubes

20 2025 / 04
EN 10246-10

EN 10246-10 Non destructive testing of steel tubes -radiographic testing of the weld seam of submerged arc-welded stee tubes for the detection of imperfections

20 2025 / 04
EN 10246-9

EN 10246-9 Non destructive testing of steel tubes-automatic ultrasonic testing of the weld seam of submerged arc- welded steel tubes for the detection of longitudinal and/or transverse imperfections

20 2025 / 04
EN 10246-8

EN 10246-8 Non destructive testing of steel tubes -automatic ultrasonic testing of the weld seam of electric resistance and induction welded steel tubes for the detection of longitudinal imperfections

20 2025 / 04
EN 10246-7

EN 10246-7 Non destructive testing of steel tubes-automatic full peripheral ultrasonic testig of seamless and welded (except submerged arc welded)steel tubes for the detection of longitudinal imperfections

20 2025 / 04
IS 12791

IS 12791 High carbon chromium (bearing)steel tubes for the manufacture of bearing races

21 2025 / 04
IS 12620

IS 12620 Seamless steel tubes for manufacturing high pressure gas cylinders

21 2025 / 04
IS 11722

IS 11722 Thin walled flexible quick coupling pipes

21 2025 / 04
Zhongyuan Pipeline Manufacturing Co., Ltd

ADD:Chengnan Industrial Development Zone, Yanshan County, Hebei Province
Domestic phone number:0086-317-6689999
International call:0086-317-6165555
E-mail:9905791@qq.com

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