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  • Special equipment type test certificate

  • Type test certificate of special equipment (4)

  • Type test certificate of special equipment (3)

  • Type test certificate of special equipment (2)

  • Certificate of environmental management system

  • Certificate of quality management system

  • organization

  • Enterprise legal person business license

  • Certificate of quality management system

  • Zhejiang famous brand product certificate

  • Special equipment manufacturing license

  • Certificate of metallurgical association of China federation of industry and commerce

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