JJM8压力表截止阀

J91W进口卡套针型阀

J63Y进口高温高压针型阀

J48H/W法兰式针型阀

J61Y进口焊接式针型阀

J61W焊接式针型阀

CJ123H进口多功能针型阀

J23SA进口三阀组针型阀

J24H/W进口外螺纹角式针型阀

J49H/W进口压力表针型阀

J19H/W进口压力表针型阀

JJM1进口压力表针型阀