Qingdao Bonshin Co., Ltd is leading company of rubber O-ring seals this competitive industry. They have been able to stand out from their peers due to their consistency to provide superior-quality items.

Bonshin is proud of the many years it has been offering customized mechanical equipment sourcing in China since 2003.

Bonshin is one of the leading mechanical and industrial based equipment sourcing in China. It was founded in 2013 and has been able to partner with companies like Xingtel, Rong Li, and Sunfung to provide the best shop for custom aluminum extrusions.