표준:QUALITY MANAGEMENT SYSTEM

번호:10114Q10837ROM

발급 일자:2017-03-25

유효 기간:2017-03-24

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

발행:BEIJING ZHONGLIAN TIANRUN CERTIFICATION CENTER

표준:The utility model patent certificate

번호:5491523

발급 일자:2016-01-28

유효 기간:2026-01-28

범위 / 범위:Drill rod on the rod machanism

발행:State Intellectual Property Office of the P.R.C

표준:CQGC

번호:B040080374

발급 일자:2004-04-01

범위 / 범위:Horizontal Directional Drilling Machine

발행:China Light Product Quality Assurance Center