PASS ISO9001:2000, TS16949 OEM PRODUCING OF METAL PRODUCTS STANDARD:DIN, ISO,JIS,AISI Detail DescriptionStandard: GB\ISO\DIN\AISI\JIMaterial: As Customer requirementSize: As Drawing 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, AISI and JI. We ...