Certificate

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  ISO9001

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  ISO14001

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  IATF 16949

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  TUV PED

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  TUV

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  AD2000 W0

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  Lloyd's Register

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  ABS

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  TS Type Approval

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  TS Manufacturing License

Patent

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  Manufacturing high-strength fuel pipes for hydrogen mobility (European patent)

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  Spiral groove forming device and manufacturing method thereof

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  Steel pipe coil unwinder for drum drawing machine

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  High-strength fuel piping for hydrogen mobility

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  Metal sealing system to improve the airtightness of hydrogen pipe connections

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  Gas distributor for bright annealing heat treatment of inner surface of tube