SNLEE supplies premium thread products including:
Type: NU, EU (tubing coupling), STC, LC, BTC.
Surface treatment: Whole phosphating, or inside phosphating and outside
Packing is done in cartons, wooden cases, wooden pallets, etc.
In addition, SNLEE sells casing and tubing couplings, pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, anchors of oil pumps, and revolving sand gravitated devices of wells.