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Qingdao Shengmei Machinery Co., Ltd

Free member Since 2014

Shandong, China

The history Vacuum seal modeling technology (also called V method modeling) is the 1970s Japan invented and the successful development of a special casting method. The technology Vacuum process cast molding is a new metal molding technology and...

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Sandy Xue ( Qingdao Shengmei Machinery Co., Ltd )
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