Our Company is able to produce the following drilling & production accessories: production valve Z11Y-16/50, testing valve Z11Y-16/32, pumping rod coupling, pressure gage globe valve, pressure gage buffer, sealing grease injection valve, polish rod sealing unit, paraffin removal pulley, tubing block, self-sealing wellhead, hydraulic swabbing blowout prevention box, burglary prevention screwed plug, paraffin removal screwed plug, ordinary screwed plug, pressure gage screwed plug, water nozzle nipple, beam hanger, brake assembly bottom ball seat, ground anchor, I-chuck, sealing steel ring, crossover flange, tee coupling, four-way coupling, elbow, short splice, and various bolts.