Economic Development Zone, Dongying, Shandong, China,257000
we are manufacturer of sucker rod, sucker rod coupling, sucker rod guide, sucker rod BOP, polished rod, polished rod clamps, tubing pump, tubing pump spare parts, produce according api STD.sales*slof-oiltools com
sucker rod coupling, sucker rod guide, stuffing box, polished rod clamps, sucker rod bop, api rod pumps, api tubing pumps, tubing pump spare parts(barrel, plunger, cage)