針型閥J23W-160P，進口美標針型閥J11W/H，進口內螺紋針型閥J13W/H，進口外螺紋針型閥J21W/H，v內外螺紋針型閥J1/21W/H，進口對焊式針型閥J61W/H，進口卡套式針型閥J91W/H，進口陶瓷芯針型閥，進口針型閥組，進口高性能控制閥J23TC-320，進口陶瓷針型閥J61TC-320等。歡迎您來電訂購.