dual action polisher 21mm manufacturers Yongkang Shangpu Industry & Trade Co Ltd YK Shangpu (SUNPU) is a professional manufacturer of car polishers, wax, sanders and polishing accessories for machinery. We also provide OEM, ODM globally and has repute with best-selling polisher machines such as OE manufacture as SUNPU for two decades. We also provide OEM, ODM and JDM globally We also equipped with a group of ar website:http://www.shangpupt.com/