13 CR hardened stem with mirror-like, burnished finish for longer packing life.
13 CR hardened stem with mirror-like, burnished finish for longer packing life.
13 CR硬化的阀杆，接近镜面的抛光度，延长填料的使用寿命。
13 CR hardened stem with mirror-like, burnished finish for longer packing life.
13 CR硬化的阀杆，接近镜面的抛光度，延长填料的使用寿命。