... equipment (excluding: equipment made of ceramics, cement; pumps, valves, water meters, water treatment agent charger, etc. mechanical parts) 1.1pipes and fittings. ... 1municipal water as raw water Activated carbon water purifier, coarse filter water purifier, microfiltration water purifier, ultrafiltration water purifier, water softer, ion exchange equipment, water distiller, electrodialysis water ...