leerongbin(UID:407337) 新手上路
Hold more than 10 years working experience in forging mould design, stamping die design, plastic injection mould design, machine design, jig and fixture design, mould making, and production management. Also have experience in Aluminium casting die, die c
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2013-07-12 leerongbin 回答了问题,
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2013-07-12 leerongbin 回答了问题,
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2013-07-12 leerongbin 回答了问题,
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