国产精品a久久777777,www五月天,亚洲欧美日本另类,免费地址入口2021,久久久久久九九99精品 ,blm2.xyz菠萝蜜,性欧美大战久久久久久久,最新久久精品,日本a人精品,暖暖在线社区视频,一二三四在线观看免费中文吗

Black Finished Steel Strip

1. Material: 50# 65Mn 60Si2Mn T8-T10A
2. Size: thickness: 0.25-3.00mm    width: 40-260mm
3. Finished: hot tempered and hardened, polisht/black/blue/yellow, HRC43-49
4. Application: shutter spring, hand saw, band saw, shoe material, trowel, scrapers, putty knife, shovel, auotmatic clutch patch, spring washer, etc
5. Packing: sea-worthy packing
6. Moq: 5M.ton
7. Lead Time: 30days