NANTONG WATSON CHAIN CO.,LTD
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Place of Origin: | Jiangsu, China (Mainland) |
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Material:high-quality alloy steel(20Mn2,25MnV,23MnCrNiMo54,SAE8620);Size:6mm-34mm,Surface treatment:self color,black oxide,painted, plastic coating,black cataphoresis, hot dip galvanzied;Saftey factor:min4times; standard:EN818-2