Product:ball bearing bushing maker in Dongguan Material:Brass;Plastic;Aluminium; resin; Color:white; ... blue,black etc. Product: ball bearing bushing maker in DongguanMaterial:Brass;Plastic;Aluminium;Color:white;black;blue etc ... mass production.Promotion: We joined so many exhibitions in China( Shanghai, Guangzhou, Shenzhen, Beijing) and also ... , VCM etc. Factory: ball bearing bushing maker in Dongguan