PASS ISO9001:2000, TS16949 OEM PRODUCING OF METAL PRODUCTS STANDARD:DIN, ISO,JIS,AISI Detail DescriptionMaterial: 6065 6061 Packaging & DeliveryStandard package Delivery detailAccording to order quantity Company Introduce NINGBO LONGTENG METAL MANUFATURING CO., LTD professionally manufactures precious shaft, pins, shaft, bushing,nuts, bolts, screws accordance with the standards of GB, ISO, DIN, ...