Certifications
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
Standard:
CQGC
Number:
B040080374
Issue Date:
2004-04-01
Scope/Range:
Horizontal Directional Drilling Machine
Issued By:
China Light Product Quality Assurance Center
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
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
Standard:
CQGC
Number:
B040080374
Issue Date:
2004-04-01
Scope/Range:
Horizontal Directional Drilling Machine
Issued By:
China Light Product Quality Assurance Center
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
Company Profile
Beijing Silk Road Enterprise Management Services Co.,LTD
Contact Person: MrWilliam Wei
