1, the license fee ranges from hundreds of thousands to millions, and the bigger the IP, the higher it is. So once it is not sold well, it will lose money in an instant.

2. Resin PVC needs to open steel mold. A set of steel molds is hundreds of thousands, and steel molds are also consumables. After a set of steel dies are produced by thousands of hands and feet, the sharpness of the dies will be damaged. At this time, it is necessary to repair the mold, and it will cost money to repair the mold. Therefore, the manual production of pvc should be at least 5000 sets, which can not be achieved by small factories. It is not easy for resin PVC to make money by hand.