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  • Ce En10219 For Square Steel Pipe

    Issuing authority : LRQA

    Valid period : 2023/1/11 - 2026/1/10

    Square and rectangular steel pipes standard:EN 10219:2006

    EN 10219-1: 2006 Cold formed welded structural hollow sections of non-alloy and fine grain steels, Part 1 - Technical Delivery Conditions

  • laboratory accreditation certificate

    Issuing authority : CNAS

    Valid period : 2022/9/5 - 2028/9/4




  • ISO 9001 certificate

    Issuing authority : ISO

    Valid period : 2023/4/19 - 2026/4/18

    ISO 9001

  • Ul Certificates For Fire Sprinkler Pipe USA

    Issuing authority : UL

    Valid period : 2017/9/29 - 2026/9/1





  • ISO 9001:2015

    Issuing authority : THE INTERNATIONAL CERTIFICATION NETWORK

    Valid period : 2016/6/30 - 2018/9/15






  • FPC

    Issuing authority : LRQA

    Valid period : 2023/11/11 - 2026/11/10





  • FPC

    Issuing authority : LRQA

    Valid period : 2023/11/11 - 2026/11/10





  • Ce En10219 For Round Steel Pipe

    Issuing authority : LRQA

    Valid period : 2023/8/1 - 2026/7/31





  • ISO

    Issuing authority : ISO

    Valid period : 2016/6/30 - 2019/6/29





  • ISO

    Issuing authority : ISO

    Valid period : 2016/3/30 - 2019/3/29





  • ISO

    Issuing authority : ISO

    Valid period : 2016/3/30 - 2019/3/29





  • ISO 14001

    Issuing authority : ISO 14001

    Valid period : 2016/7/21 - 2019/7/20





  • ISO 18001

    Issuing authority : ISO

    Valid period : 2016/7/21 - 2019/7/20






  • ISO 45001 YOUFA PIPELINE

    Issuing authority : CQM

    Valid period : 2022/3/22 - 2025/7/21

  • ISO 14001

    Issuing authority : CQM

    Valid period : 2022/3/22 - 2025/7/21

  • ISO 9001 YOUFA

    Issuing authority : CQM

    Valid period : 2022/3/22 - 2025/7/21

  • ISO 5001 YOUFA PIPELINE

    Issuing authority : CQM

    Valid period : 2022/3/22 - 2025/7/21

  • ISO 5001 YOUFA PIPELINE 2

    Issuing authority : CQM

    Valid period : 2022/3/22 - 2025/7/21

  • ul for pipe fittings

    Issuing authority : ul

    Valid period : 2021/3/8 - 2025/1/8

  • FM for pipe fittings

    Issuing authority : FM

    Valid period : 2021/10/22 - 2025/11/1





    FM for pipe fittings



  • Surat Keterangan Hasil Survailen

    Issuing authority : Surat Keterangan Hasil Survailen

    Valid period : 2019/11/4 - 2023/11/3





    CNI certificate




  • BSI certificate

    Issuing authority : benchmark

    Valid period : 2020/1/15 - 2025/1/13





    BSI-CERTIFICATE



  • Api 5l Certificate For Spiral Steel Pipe

    Issuing authority : api

    Valid period : 2021/12/4 - 2025/12/4

  • Ul Certificates For Fire Sprinkler Pipe CANADA

    Issuing authority : UL

    Valid period : 2024/10/23 - 2034/12/31





    This certificate confirms that representative samples of: Steel Sprinkler Pipe Certified for Canada


  • Api 5CT Certificate For Welded Steel Pipe

    Issuing authority : API

    Valid period : 2024/11/1 - 2027/11/1





    The scope of this license includes the following: Manufacturer of Electric-Welded Casing or Tubing (Plain End)
    H40, PSL 1, J55, PSL 1, K55, PSL 1


  • China Classification Society

    Issuing authority : CCS

    Valid period : 2022/10/19 - 2026/5/16





    Welding Pressure Pipes (High-frequency welded pipe)
    A:B;X42;X46:X52(API 5L Steel Grade of PSL1, PSL2)
    (60.3-610.0)x(2.5~17.0)


  • Api 5L Certificate For Welded Steel Pipe

    Issuing authority : API

    Valid period : 2024/11/1 - 2027/11/1





    Manufacturer of Line Pipe Plain End at PSL 1 -Type of Pipe.
    HFW / Delivery Condition: M / Max. Grade: X70 and / Delivery Condition: N / Max Grade: X70; Manufacturer
    of Line Pipe Plain End at PSL 2 -Type of Pipe: HFW / Delivery Condition: M / Max Grade: X70 and / Deliven
    Condition: N / Max. Grade: X60: Manufacturer of Line Pipe Plain End at PSL 2- Service Annex H,
    Manufacturer of Line Pipe Plain End at PSL 2 - Service Annex J - Type of Pipe: HFW / Delivery Condition: M
    Max. Grade: X70 and / Delivery Condition: N/ Max Grade: X52