The registration authority is the market supervision authority of the yellowstone district of taizhou, represented by legal persons, and covers general projects: manufacture of moulds; sale of moulds; manufacture of plastics; sale of plastics; sale of plastics (in addition to legally authorized projects, operating on an autonomous basis under a licence). Licensing projects: import and export of goods; import and export of technology (projects subject to legal approval are not allowed to operate until the approval of the relevant department, depending on the approval)。