The couplings produced by our company are
good at stable quality which the technical parameters are completely complied
with the requirements of API5CT and API5B latest standards. Meanwhile, the
company has equipped with more than 30 sets CNC threading machines, is able to
produce variety of steel grade couplings include STC, LTC, BTC and NU, EU
threading couplings. We also supply permium thread products by
customer's request
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 from 4-1/2"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
Otherwise, our company manufactures and
sells casing and tubing, threader protector etc. We always do business based on
the principle of equality and mutual benefit, we provide the high quality and
competitive price products