Specification :

We are Shijiazhuang Longway Petroleum Drill Tools company , a professional factory of drill pipe, our drill pipe are produced Accord with API 5D latest edition .Has been awarded the certificate for compliance with standard ISO 9001-2008 GB/ T 19001-2008.
Steel Grade: E-75, X-95, G-105, S-135
O. D. Range from 2" ( 60.3mm) to 6" ( 168.3mm)

Type: Internal Upset, External Upset, Internal and External Upset. With competitive price and high quality.
If you are interested in our products , please feel free to contact with us by drillpipes AT yahoo. cn

Website: www.drillpipes.net