Z41Y锻钢法兰端闸阀，法兰阀门

J61Y锻钢截止阀

J61Y锻钢自密封截止阀900Lb～2500lb

J65Y锻钢Y型自密封截止阀900Lb~2500Lb

J61Y锻钢自密封截止阀900Lb~2500Lb厂家

UJ11H U11SM不锈钢内螺纹柱塞阀

J41Y锻钢法兰截止阀,锻钢截止阀

U41SM法兰柱塞阀,高压柱塞阀

H11Y H61Y锻钢升降止回阀800LB

GL41H锻钢阀800LB

J65Y锻钢Y型截止阀，Y型锻钢阀

J61Y锻钢低温截止阀800Lb