About us


River Electronics, Inc. is a leading B2C e-commerce company based in California, U.S.A.
Focusing on new trend electronics products, River Electronics has developed and grown to several brands by categories.Cotsoco is focusing on the field of sports health, advocating the concept of sports health and healthy sports. It provides fascia massage guns, massage balls, ice packs, hot moxibustion equipment and other products. Cotsoco has provided a lot of help with the aiding of scientific fitness.Now Cotsoco’s Brand products are widely used by many professional sports leagues.