Hunan CNGR Testing Technology Co., Ltd. is specialized in precious and non-ferrous metal raw materials and secondary resource recovery.

Third party testing institutions for waste materials, semi-finished/finished product components, physical/chemical performance testing, material, device and product performance testing.

The company's business services cover minerals, secondary recycling waste, electronic waste, alloy product series, catalysts, hydrogen storage materials, organic materials, inorganic metal materials, optoelectronic semiconductors and pan semiconductor materials, devices and their products, process research and development, technical consulting and training, etc.