不锈钢法兰截止阀门J41W-16P/25P 机械标准,化工标准
¥234.00
排渣闸阀、灰渣闸阀PZ41H-16C/25C PZ941Y密封耐磨
¥1660.00
供应WZ40H-40型波纹管闸阀
¥500.00
供应法兰式硬密封V型球阀 QV40H-16C
¥360.00