... ;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 ... took part in Euromold.Place: Product sales by e-commerce or ... , VCM etc. Factory: ball bearing bushing maker in Dongguan