宝鸡畅油石油设备有限公司
Baoji Changyou Petroleum Equipment Co.,Ltd, was founded in 2010, who is specialized in design, manufacturing and sales of oilfield drilling equipments, surface test equipments, downhole well&formation test equipments(drill stem test/DST tools: mechanical&pressure control) and exploration equipment. Except that, we also offer the R&D service to the clients who have special requirements .
Website：http://www.cydst.com/