The main material of couplings for pipes and fittings are stainless steel, because of the winter haze, under government production limitation, the raw material price rises, so if there any couplings order, please contact and order as early as possible.

The main material of couplings for pipes and fittings are stainless steel, because of the winter haze, under government production limitation, the raw material price rises, so if there any couplings order, please contact and order as early as possible. ——December 12, 2019