At present in the market, this business as a result of product value is low, for a production equipment and conditions of that almost all the practitioners are made by individual small.

• 目前在市场上，这一业务领域由于产品价值低、对于生产设备和条件的要求比较低，导致几乎所有的从业者均为个体小作坊式的状况。