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 Products mainly precision manufactured using high-quality alloy steel, possessed high strength, tensile ...
Telephone:86-15226769496
Address:Cangzhou, Hebei, China
Shandong Nine-Ring Petroleum Machinery Co. Ltd. Is a company specializes in producing well pumping unit, oil pump and sucker rod. Our is one of the advanced technology enterprise top business credit standing recognized by Science Technology Council for many years. also rated "AAA ...
Telephone:86-543-2112895
Address:no.560,huanghe road,, binzhou, Shandong, China