Special grade A brass Dian, automatic processing, high precision grinding and so on several dozens procedure.
Far higher than international standard strict test procedures.
The length of 120 m using automatic ring electroplating line, four bottom three surface, the seven layers coating, the leading stars shine... like new.
Valve core: with idling function, feel is lightsome and comfortable, can ensure service life switch of 500000 or more.
Looks fine grinding and polishing, and the use of advanced electroplating process, after acid copper, nickel, chromium multiple coating, coating with good electricity, attached close, the color and luster is even, excellent corrosion resistance, and ensure that the product surface gloss bright beautiful... like new.