Cooffer was founded in San Francisco. Cooffer is an e-commerce based website that offers users a place to exchange, buy and sell goods in addition to socially networking with other members.

Furthermore, we are hoping that visitors can make new friends with those who share the same hobbies through this website. We are also hoping to reduce wasted resources and save money by utilizing functions of this website. In the end, resources are limited, money is never enough, but friends are forever.