
Qingdao Shangli Abrasives Co.ltd produces coated abrasives including waterproof abrasive paper, anti-clogging dry sandpaper, abrasive cloth, net abrasives, and polyester film, with joint-venture know-how and imported production lines.
Qingdao Shangli Abrasives Co.ltd is a coated abrasives manufacturer offering a broad range of abrasive materials for surface preparation and finishing. Its main portfolio includes high-grade waterproof abrasive paper, anti-clogging specialty coated dry abrasive paper, flexible abrasive cloth, abrasive net, and abrasive polyester film.
As China’s first joint-venture coated abrasives factory, the company cooperates with Japan-RIKEN CORUNDUM CO., LTD., combining international experience with local manufacturing. Operations are supported by eight production lines imported from Germany, and R&D is led by foreign experts.
The products are widely used across furniture, musical instruments, crafts, automotive, shipbuilding, machinery, electronics, glass, stone, and decoration industries. The company operates under the Riken brand and also provides neutral branding and OEM manufacturing services.

The company operates as the first joint-venture coated abrasives factory in China, cooperating with Japan-RIKEN CORUNDUM CO., LTD. to deliver high-level coated abrasive solutions for international customers.
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