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![]() 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 . Our company covers an area of 3,000 square meters, has about 50 experienced workers and 30 professional technicians. With more than 10 years working... [Details] |