U43SM双柱三通柱塞阀（图）--上海唐京Tangjing

U45SM、U45H直流式柱塞阀（图）--上海唐京Tangjing

UJ941H、U941SM电动柱塞阀（图）--上海唐京Tangjing

UZ41H金属密封柱塞式闸阀（图）--上海唐京Tangjing

UJ41H-16C金属密封柱塞截止阀（图）--上海唐京Tangjing

HSFJ41H、HSFZ41H-PPL活塞阀（图）--上海唐京Tangjing

U44SM、UJ44H角式柱塞阀（图）--上海唐京Tangjing

UZ41SM、UZ41H柱塞闸阀（图）--上海唐京Tangjing

UJ41SM、UJ41H美标API柱塞阀（图）--上海唐京Tangjing

U46SM平衡式柱塞阀（图）--上海唐京Tangjing

UJ41H、UJ41Y、UJ41W柱塞截止阀（图）--上海唐京Tangjing

UJ11SM、UJ11H内螺纹连接柱塞阀（图）--上海唐京Tangjing