スタンダード:QUALITY MANAGEMENT SYSTEM

番号:10114Q10837ROM

発行日:2017-03-25

有効期限:2017-03-24

範囲/範囲:design,development and manufacture of horizontal directional drilling machine

で発行:BEIJING ZHONGLIAN TIANRUN CERTIFICATION CENTER

スタンダード:The utility model patent certificate

番号:5491523

発行日:2016-01-28

有効期限:2026-01-28

範囲/範囲:Drill rod on the rod machanism

で発行:State Intellectual Property Office of the P.R.C

スタンダード:CQGC

番号:B040080374

発行日:2004-04-01

範囲/範囲:Horizontal Directional Drilling Machine

で発行:China Light Product Quality Assurance Center