After two months of hardworking, Tianjin bailizhanfa valve group have manufactured20  API6D 28¨•-600&900#metal-seatedslab gate valves ,although the order time is urgent, we conqueredall sorts of difficulties, at last all the valves have been processed in time,and past the pressure test, which indicates we are efficient in our work , thequality of our products have reached a high level. Our clients are satisfiedwith the quality and deliver time. Keep moving, never give up, we are expertsof special slab gate valve & ball valve.