DST Oiltools Co., Ltd is a leading manufacturer and supplier of drill stem testing (DST) tools for over 10 years. We mainly engages in the annular pressure operated full bore type all supplied products are produced per API Spec. Our main include various sizes RTTS Packer, Safety Joint, Select ...
Telephone:86-18049233404
Address:No.153, Hanguang Road, xian, Shaanxi, China