DRILL COLLAR

E-MAIL: irislea@sj-drilling.com;irislea@163.com

         Drill Collar & Short Drill Collar product range is manufactured from high quality steels, AISI 4145 Mod H and Non-Mag. They can be supplied in a full range of diameters and lengths to suit specific customer equipment.

   

HEILONGJIANG NORTH SHUANGJIA DRILLING TOOLS CO., LTD.

Iris lea

Sales Manager

International Marketing Dept.

Add: No.56, Xingye Road, Yangming District，Mudanjiang City, Heilongjiang P.R, China       
E-mail:irislea@163.com；irislea@sj-drilling.com
Website: http://www.sj-drilling.com

Skype:irislea-sj-drilling

Wechat:irislea

WhatsApp:13604531257

Tel:0086-453-6293088
Fax:0086-453-6240543