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    Jiangsu Sieyuan Hertz Instrument Transformer Co., Ltd.

    Business scope: High voltage AC/DC Transformer、500kV and above super high voltage AC/DC Transformer、Photoelectric Transformer、Super High Voltage AC/DC bushing and relevant instrument、apparatus 、software research、product sale and technology consultation. (After the approval of relevant section，the business activities of the approved project by law can be carried out)

    Products, services or works: High voltage AC/DC Transformer、500kV and above super high voltage AC/DC Transformer、Photoelectric Transformer、Super High Voltage AC/DC bushing and relevant instrument、apparatus 、software research、product sale and technology consultation. (After the approval of relevant section，the business activities of the approved project by law can be carried out)

    BSI logo

    Address:

    No.5 West Huimin Road
    Rugao City
    Jiangsu
    226500
    People's Republic of China

    Verification date: 42949

    Website: http://www.sieyuan.com
    Phone: 86-0513-8730 3636
    Fax: 86-0513-8730 3599

    • Certificate/Licence number Standard/Scheme number or name Start Date (YYYY-MM-DD) Expiry Date (YYYY-MM-DD)
      EMS 661555 ISO 14001:2015 2016-11-07 2025-11-06
      Scope

      The design and manufacture of oil immersed current transformers (below and include 800kV) and oil immersed voltage transformers (below and include 1000kV).
      800kV及以下油浸电流互感器和1000kV及以下油浸电压互感器的设计与制造。

      Certificate/Licence number Standard/Scheme number or name Start Date (YYYY-MM-DD) Expiry Date (YYYY-MM-DD)
      FM 661556 ISO 9001:2015 2016-11-07 2025-11-06
      Scope

      The design and manufacture of oil immersed current transformers (below and include 800kV) and oil immersed voltage transformers (below and include 1000kV).
      800kV及以下油浸电流互感器和1000kV及以下油浸电压互感器的设计与制造。

      Certificate/Licence number Standard/Scheme number or name Start Date (YYYY-MM-DD) Expiry Date (YYYY-MM-DD)
      OHS 661557 ISO 45001:2018 2019-10-16 2025-11-06
      Scope

      The design and manufacture of oil immersed current transformers (below and include 800kV) and oil immersed voltage transformers (below and include 1000kV).
      800kV及以下油浸电流互感器和1000kV及以下油浸电压互感器的设计与制造。

    • Facility Gate
      Facility Gate
      Main Building 1
      Main Building 1
      Main Building 2
      Main Building 2
      Reception
      Reception
      Advanced Facility 1
      Advanced Facility 1
      Advanced Facility 2
      Advanced Facility 2
      Assembly Line 1
      Assembly Line 1
      Assembly Line 2
      Assembly Line 2
      Secondary Winding Production Line
      Secondary Winding Production Line
      Testing Area 1
      Testing Area 1
      Testing Area 2
      Testing Area 2
      Testing Area 3
      Testing Area 3

    • Years of operation
      Years range: 10 - 15 yrs

      Type of ownership
      Private

      Annual turnover
      About 90 million (USD)

      Business license or equivalent official document
      • Business License - General Social Credit Code: 91320682762825033L - Expiry Date : 2018/06/30
        Business License.pdf
      Occupational health and safety
      • OHSAS 18001 - Issued by: BSI, China - Certificate No: OHS 651557 - Expiry Date: 2019/11/06
        ohs18001.pdf
      • Safety License (Mechanic) - Issued by: Jiangsu Safety Production Association - Certificate No: 苏A QBJXⅡ201700057 - Expiry Date: 2018/09/14
        safety license.jpg
      Environmental management system
      • ISO 14001 - Issued By: BSI, China - Certificate No: EMS 661555 - Expiry Date: 2018/09/14
        iso14001.pdf
      Quality management system
      • ISO 9001 - Issued by: BSI, China - Certificate No: EMS 596830 - Expiry Date: 2017/08/04
        iso9001.pdf
      • Product Certificate - Issued by: Electricity (Beijing) Certification Center Co., Ltd. - Certificate No: 07P10128-2001R2M - Expiry Date: 2022/05/07
        product certificate.pdf
      • Measuring Cylinder Manufacturing License - Issued by: Nantong Quality and Technical Supervision Bureau - Certificate No: (苏)制06820006号 - Expiry Date: 2020/05/15
        measurement.pdf
      • Torch Project Award - Issued by: Ministry of Science and Technology Torch Hi - Tech Industrial Development Center - Certificate No: 2015GH040816
        torch program.pdf
      • Famous Brand Certificate - Issued by: Jiangsu Brand Strategy Promotion Committee - Certificate No: SM201604264 - Expiry Date: 2019-12
        famous brand certificate.jpg

    • Total employees:
      301 - 500

      Total number of employees: 490

      View Org Chart

      Permanent employees:
      490

      Part time employees:
      -

      Temporary employees:
      -

      Production staff:
      310

      QA/QC staff:
      45

      Service staff employees:
      25

    • Facilities on site(eg: office space, warehouse) Size of facilities (m2)
      Office area 18000
      Production area 30000
      Warehouse area 12000
      Other area -
      Sole use of site and buildings
      Sole use of whole site
    • 江苏思源赫兹互感器有限公司
      惠民西路5号
      如皋市
      江苏省
      226500
      中国
    • Key export country / region Percentage of sales
      People's Republic of China 85.00
      other 15.00
    • Key sourcing country / region Percentage of purchases
      People's Republic of China 100.00
    • Site Name Site Address Certificate/License number Standard/Scheme number or name
      Jiangsu Sieyuan Hertz Instrument Transformer Co., Ltd.
      No. 1, West Huimin Road
      Rugao Economic Development Zone
      Rugao
      China
      		EMS 661555 ISO 14001:2015
      Jiangsu Sieyuan Hertz Instrument Transformer Co., Ltd.
      No. 1, West Huimin Road
      Rugao Economic Development Zone
      Rugao
      China
      		FM 661556 ISO 9001:2015
      Jiangsu Sieyuan Hertz Instrument Transformer Co., Ltd.
      No. 1, West Huimin Road
      Rugao Economic Development Zone
      Rugao
      China
      		OHS 661557 ISO 45001:2018