Be worth what carry is a kind of PVD technology that introduces science and technology of American space navigation, can make bibcock surface never wears away, li Jiuheng is new, never become angry.
英
美
- 值得一提的是一种引入美国宇航科技的PVD技术,可以使龙头表面永不磨损,历久恒新,永不变色。