大量生产出口couplings直通，美标、英标、日标、韩标

steel female thread pipe coupling
1.introduction:steel female thread pipe coupling is made from qualified
seamless steel pipe.we use japanese equipment and patent technique to
connect and weld fluid,gas and wire pipe.
2.specification:1/8"--6"
3.material:carbon steel stainless steel
4.standard:ansi:astm a865 a733 a120
bs:en10241
din:2999
jis:bo204 b2302
ks:b1533
5.technology introduction:our steel female thread pipe coupling has the
first-rate qualith in the world.it was produced by our patent(patent no.
zl01267788.4).our factory is one of the biggest factory which manufacture
stell female thread pipe coupling.