ABOUT US
ABOUT US
>
>
EFFICIENT AFTER-SALES SERVICE
EFFICIENT AFTER-SALES SERVICE

 

After-sales service flow chart

公司资质

CERTIFICATES

NSJ-DRILLING has been awarded various domestic and foreign qualification certificates and honorary certificates......

公司资质

CULTURE

NSJ-DRILLING pays attention to the cultivation of staff quality and the production and life of staff......

公司资质

STRENGTH

NSJ-DRILLING has this rich production and operation experience and strong hardware and software foundation......

© 2021 HEILONGJIANG NORTH SHUANGJIA DRILLING TOOLS CO., LTD.   黑ICP备16001467号-3