E guzobere Zigong City Xinhua Industrial Co., Ltd na 2005. N'ịbụ nke dị na Zigong obodo Sichuan Province China, Zigong bụ otu n'ime ntọala mmepụta ihe nke Tungsten carbide na China.Xinhua Industrial bụ ụlọ ọrụ ọkachamara na mmepụta nke carbide ihe na carbide ngwaọrụ, ZWEIMENTOOL bụ a elu-ọgwụgwụ carbide ọnwụ ngwá ọrụ ika nwere Zigong City Xinhua Industrial Co., Ltd.
Ndị gọọmentị nyere ya dị ka ụlọ ọrụ kpakpando na-ebupụ ihe ọhụrụ teknụzụ dị elu, na-eduga nyocha na mmepe nke akụrụngwa carbide na ihe ịkpụ carbide na China.
ỌzọBiko hapụ anyị ka anyị ga-akpọtụrụ n'ime awa 24.