Tianhui materials technology ltd., shenzhen city, operates ceramics, metal powder injections into products and feed, high-precision zero components, ceramics, titanium alloy (tc4), stainless steel, hard alloy, iron base, copper, tungsten alloy, alloying, intelligent clothing, high-performance non-ferrous metals and alloying. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)