包括缺角、胚饼用错、正背面复打及模具锉痕等。
Errors include edge clips, COINS struck on foreign planchet, flip over double strikes, and filled dies etc.
广州华研精密机械有限公司坐落于环境优美的广州经济技术开发区东区，专业制造PET注胚模具与注胚机器。
Guangzhou Huayan Precision Mechanic Co. , Ltd. Is located in the astern zone of Guangzhou economic & technological district with beautiful environment.
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