bo-co-ren-ngoai-noi-con-loi-ren-npt-rac-co-han-ong-dong-cong-90-do-brass-flare-fitting-male-connector-elbow

chat lieu dong thau co the de dang ket noi mot cach nhanh chong va don gian ung dung ket noi ong hoi – ap suat cao han dien lanh noi ong dan oxy ket noi ren de siet ong giup on dinh – an toan – de dang lap dat