1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110
2.We also supply permium thread products by customer's request
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8"
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating
6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers
Supplier: Steel, steel pipe, steel tube, stainless steel, seamless pipe, welded pipe, erw pipe, lsaw pipe, ssaw pipe, square tube, rectangular tube , hollow section steel tube, pipe fitting, flange, fasteners, steel wire, steel wire mesh, steel accessories, plumbing, steel structure, steel beam, steel sharp, steel section,steel hollow, steel spare part, magnet, magnetic material
Services: Transportation agent,customs clearance service,