Achọpụtara na June 2010, ShenZhen, China, na-eguzobe ika nke "ZH Gems", Shenzhen Hong Zheng technology Limited bụ ugbu a emeputa ọkachamara na 100% eke na ezigbo gemstone ejiri aka mee ọla, nke na-arụ ọrụ ma na okike na ezigbo gemstone ejiji. ahia ọla ụlọ ọrụ nwere ihe karịrị 8 afọ ahụmahụ.