J11w内螺纹截止阀不锈钢截止阀 铸钢截止阀 *

J41H/W-16P供应国标不锈钢截止阀J41H/W-16P *！另有美标日标韩标！

J41W-150LB供应美标截止阀 J41W-150LB 不锈钢美标截止阀 另有WCB截止阀

J41W-100c供应国标高压碳钢截止阀J41W-100c 另有美标日标系列*！

J941h/w-16供应供应电动截止阀J941h/w截止阀

J41W/H-10k供应日标截止阀J41W/H-10k