Petrochemical.
Oil press, oil presser, oil extraction machine, oil expeller.
Oil refining equipment.
Transformer oil purifier.
Asphalt.
Oil, gas casing, tubing pipe.
Oil field machinery equipment.
Oil drilling equipment.
Liquid concentrate used for hydraulic support (prop), emulsion oil.
Insulation oil purifier, lube oil purifier, turbine oil purifier, used oil purifier.
API sucker rod couplings.
Oil recycling equipment, oil purification equipment, oil refinery machine, oil regeneration equipment, oil processing manchine.
Drill pipe elevator, rotary slips, forged elevator links, circulating hose loops, swivel joints, plug valve.
Oil press and complete oil press production line and spare part.
Slotted casing tube, perforated tube, bridge slotted screen pipe, screen pipe, longzhonglong screen, api casing tube, casing processing, tubing processing, perforated tube, slotted liner, slotted sieving tube.
Asphalt distributor, bitumen sprayer, chip sealer, mirco-surfacing, slurry seal, trailer bitumen transportation tank, drummed asphalt melting equipment, polymer modified bitumen plant, emulsion bitumen plant, rubber bitumen plant.
Hydrocarbon resin, petroleum resin, epoxy curing agent mthpa and mhhpa.
Crude oil.
Oil press, oil refining machine, solvent extraction machine, biodiesel machine.
Oil field tools.
