At the beginning of the issue, each variety of coins will have to go through various plans for comparison and selection, and the final plan will be approved by the government. There is little chance of error at this stage, which we call the design stage of the initial stage. I divided the coin production into the following stages:
1 ) design draft and gypsum template stage, i.e. design stage, 2 ) carving and making various molds and working molds, i.e. carving stage, 3 ) material selection, blank punching, edge smoothing, called blank cake making stage, 4 ) blank cake stamping or reprocessing, called stamping stage, 5 ) stamping product machine inspection and human inspection, very few unqualified products are directly destroyed, called inspection and destruction stage, 6 ) inspection of qualified products packaging and warehousing, called packaging and warehousing stage, 7 ) final bank issuance, becoming legal currency, and 8 ) coins found to be wrong coins.
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