We are a professional developer and manufacturer for hardware products since 1996. We located at famous city name Shijiazhuang in China North. We always keep our mind on the solution of Diamond drill bit, hardware, and decoration construction materials. Now we have developed into 8 main product lines, namely Diamond hardware tools and decoration construction tools, Welding Electrode Production line, Welding Wire Production line. Our factory covers 1,000,000 square meters, ...