... experience in special fastener field 1,Name:Brass female coupling; Brass coupling;Female coupling 2,For the similar coupling,what can we do ?(1), Ability for ... the material of this kind of coupling: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8 ... aout the delivery?(1),Delivery port:ShangHai/NingBo(2),Delivery way to avoid the anti-dumping5,Why should you choose us ...