Cangzhou, Hebei, China,
We are a sucker rod series manufacturer from China, specialized in producing C, K, D, KD, HL, HY of rod, coupling, pumping polished oil tube, casing drilling machinery equipment ect. The rodProducts mainly precision manufactured using high-quality alloy ...
sucker rod, oilfield equipment, sucker rod coupling, oil casing,oil tubing, polished sucker rod