Hebei Longway Petroleum Equipment Co., Ltd.
Drill pipe welding zone tempering
[ Ссылка ]
bill@longwaydp.com
+8619930720762
www.lwdrill.com
Longway Petroleum
#drilling #drillpipe #drillcollar #coating #heavyweightdrillpipe #spiral #heavyweight
![](https://i.ytimg.com/vi/KDIGxnxVXEc/mqdefault.jpg)
Hebei Longway Petroleum Equipment Co., Ltd.
Drill pipe welding zone tempering
[ Ссылка ]
bill@longwaydp.com
+8619930720762
www.lwdrill.com
Longway Petroleum
#drilling #drillpipe #drillcollar #coating #heavyweightdrillpipe #spiral #heavyweight