... the 304 stainless steel wire, EPDM tube fittings for the copper, woven pipe are stainless steel niv gold-rimmed (wire) cent, ... have 201 and 304 stainless steel, EPDM tube, the copper fittings Woven pipe according to the production process is low, medium, ... leaking, oxidation, etc. Middle-grade woven pipe mainly 304 steel wire, EPDM material, the copper fittings mainly. Applicable period normally in ...