... and anti-gas-locking pumps. The production technology is advanced andthe testing method is strict and perfect. The products are manufacturing ... 5059-91 or API specifications. Quality isreliable and service is excellent. We manufacture and supply the deep oil well sucker rod pumps ... RHTC, RWBM, RXBC, RXBM, RWTC, RWTM. We can design and manufacture special pumps, such as hi-viscosity crude oil pumps, gas ...