Yasungulwa ngo-1992, i-Chengdu Tianhe tungsten carbide tools Co., Ltd. ingumkhiqizi wamathuluzi we-hi-tech we-tungsten carbide etholakala endaweni yokuthuthukiswa kweSayensi Nobuchwepheshe ye-Wenjiang Haixia Liangan.Ihlanganisa cishe amamitha-skwele ayi-14000 futhi inabasebenzi abanolwazi abangaphezu kuka-100.