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Chromium copper-Copper mirror electrode Discharge Copper Dongguan Copper Alloy
Yu Hui D2 Mold steel Life Peer 2 times 500 Kyocera continuity 6 years Purchase Dongguan Mold steel D2
Yu Hui SKH-9 High-speed steel Punch One piece Two 8 years customer Return goods Wenzhou SKH-9 High-speed steel
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45# Steel S45C 45 Steel 45# Gas cutting plate 45# Light board 45# Carbon steel 45# Concentrate 45# Mechanical plate
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Yu Hui SKD11 Mold steel connector YUQIU Electronics continuity 7 years Purchase Ganzhou SKD11 Mold steel material