Packaging & Delivery:Packaging Detail:  Standard export single packing. Delivery Detail:  Depend on your requirement and the quantity. Specifications:1)ball bearing 2)607-609,6000-6012,6200-6216,6300-6316 3)ISO 9001,2000 4)Chrome steel 5)ABEC-1,ABEC-3,ABEC-5We are an original manufacturer and specialized in .As a specialized ball bearing manufacturer and exporter for this product in China,we sincerely hope to establish business relations with your