Shanghai Roy Material Co., ltd was Founded

TGA(Rod-Shape Ceramic Grain) was developed

TGA(Rod-Shape Ceramic Grain) Pilot Scale Production was successful

Established Qingdao Roy Material Co., ltd, finished Qingdao Plant Phase I construction, began commercial TGA production.

Launched SGS (particle-shape) ceramic grain, began commercial SGS production.

Finished Qingdao Plant Phase II production line.

CG (compacted grain) was developed. The field test was successful.