OK Global is responsible for quality management
Based on this, we have secured technical skills.

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  2020 Certificate of Excellent Technology Capability Company
  Manufacturing technology of one touch steel rebar couplers

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  One touch steel rebar coupler
  10-2019-0072744

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  One touch steel rebar coupler
  10-2019-0074731(Patent pending)

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  One touch steel rebar coupler
  10-2019-0120286(Patent pending)

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  One touch steel rebar coupler
  10-2019-0120980(Patent pending)

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  One touch steel rebar coupler
  10-2019-0121000(Patent pending)