Classic case (18)Authority - hendry jewelry jewelry jade testing center in southwest China test center procurement division yuxing company konica minolta spectrum test instrument.Family reputation flu...

Chengdu hendry jewelry inspection centerAuthority - hendry jewelry jewelry jade testing center in southwest China test center procurement division yuxing company konica minolta spectrum test instrumen...

The golden yellow gold (shenzhen factory) batch purchasing division yuxing spectrometer, konica minolta EDS5800T test purchase of the worlds most advanced optical detector SDD, precision as high as 0....

Zijin mining group batch purchasing reputation company production EDS7700 type in assaying the fineness of gold and platinum analyzer. Lijiang centenarians fang silver co., LTD., batch purchasing divi...