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Standard:QUALITY MANAGEMENT SYSTEM Number:10114Q10837ROM Issue Date:2017-03-25 Expiry Date:2017-03-24 Scope/Range:design,development and manufacture of horizontal directional drilling machine Issued By:BEIJING ZHONGLIAN TIANRUN CERTIFICATION CENTER
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Standard:The utility model patent certificate Number:5491523 Issue Date:2016-01-28 Expiry Date:2026-01-28 Scope/Range:Drill rod on the rod machanism Issued By:State Intellectual Property Office of the P.R.C
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Standard:CQGC Number:B040080374 Issue Date:2004-04-01 Scope/Range:Horizontal Directional Drilling Machine Issued By:China Light Product Quality Assurance Center |
