Kayayyakin Danyen da Aka Shigo
Cibiyar R&D ta BonTai, wacce aka keɓance a cikin fasahar niƙa da fasahar goge baki, babban injiniyan ya kware a cikin "China Super Hard Materials" lokacin 1996, yana jagorantar ƙungiyar kwararrun kayan aikin lu'u-lu'u.