les certifications
Standard:
The utility model patent certificate
Nombre:
5491523
date d'émission:
2016-01-28
date d'expiration:
2026-01-28
champ d'application / portée:
Drill rod on the rod machanism
Délivré par:
State Intellectual Property Office of the P.R.C
Standard:
CQGC
Nombre:
B040080374
date d'émission:
2004-04-01
champ d'application / portée:
Horizontal Directional Drilling Machine
Délivré par:
China Light Product Quality Assurance Center
Standard:
QUALITY MANAGEMENT SYSTEM
Nombre:
10114Q10837ROM
date d'émission:
2017-03-25
date d'expiration:
2017-03-24
champ d'application / portée:
design,development and manufacture of horizontal directional drilling machine
Délivré par:
BEIJING ZHONGLIAN TIANRUN CERTIFICATION CENTER
Standard:
The utility model patent certificate
Nombre:
5491523
date d'émission:
2016-01-28
date d'expiration:
2026-01-28
champ d'application / portée:
Drill rod on the rod machanism
Délivré par:
State Intellectual Property Office of the P.R.C
Standard:
CQGC
Nombre:
B040080374
date d'émission:
2004-04-01
champ d'application / portée:
Horizontal Directional Drilling Machine
Délivré par:
China Light Product Quality Assurance Center
Standard:
QUALITY MANAGEMENT SYSTEM
Nombre:
10114Q10837ROM
date d'émission:
2017-03-25
date d'expiration:
2017-03-24
champ d'application / portée:
design,development and manufacture of horizontal directional drilling machine
Délivré par:
BEIJING ZHONGLIAN TIANRUN CERTIFICATION CENTER
Profil de la société
Beijing Silk Road Enterprise Management Services Co.,LTD
Contact: MrWilliam Wei
