北京中石曙光科技有限公司
COTS can provide oilfield equipment and oilfield technique services. The business cover wireline logging equipment manufacturing, LWD and MWD equipment manufacturing, and also offering of wireline logging operation, MWD and LWD services. The company has developed a QLIP and special downhole tools which is lead advanced and applied to every oilfield in China, such as Daqing oilfield.
Website：www.cotseco.com