Henan Shenlong Petroleum Drilling Tools Co.,Ltd ------A reliable manufacturer of Drill Collar and Drill Pipe Shenlong assures high quality through the below sources 1. Our experts from MIT (Massachusetts Institute of Technology) We have technology consultants from MIT, they are experts of metal materials and machinery manufacturing.They give us many technology supports.

2. Our skilled technician and workers: Our technicians are most from an important and famous special steel group in China. They are very professional. And the workers are very good too, most of them have long experience working in this industry and we value them very much. Without them, we can not manufacture high quality products.

3. We only make drill collar, heavy weight drill pipe and stabilizer which can assure the stability of final products and gain us efficiency.

We can currently produce at least 5000 drill collar and heavy weight drill pipe each year. And we plan to produce even more product from next year.

Shenlong is ISO9001 Certificate Holder and We produce according to API We manage our factory according to ISO9001:2001, from material purchasing, producing, inspecting, selling, every process we do our best to assure superior quality.

Shenlong always pursuit prompt delivery time 1. Material Purchasing We have good relationship with many leading Steel Works in China, so we can purchase high quality material very quickly.

2. Producing High efficiency of workers and equipments will help us realize prompt delivery time.

3. Logistics The traffic is very convenient from Jiyuan city to the main ports of Tianjin, Qingdao, Xingang, Dalian in North China. From there, Our goods can be easily shipped to all over the world.

Shenlong has most competitive price Based on the above advantage, our price is the most competitive. If you are interested in any item of our products, you can send us email or call us any time, We will be always happy to hear from you.