Under normal circumstances, the purchase of injection molds are enterprises, the purchase and sale of molds occurs between enterprises and enterprises. Such as daily necessities manufacturers, computer manufacturers, electronics manufacturers, car manufacturers and so on. The general process is to contact the person in charge of the company, then go to the factory to inspect the details, make a quotation, and finally sign the contract to start production.

In the purchase of injection molds, the general attention to the aspects of buying molds, such as the fine workmanship, manufacturers in terms of experience, quality assurance, from product to enterprise strength these two aspects of comprehensive consideration. There are too many acceptance criteria for injection molds, but there are only six key points:

1. Whether the products molded by the mold have reached the requirements;

2. Whether continuous production is stable and reliable;

3. Whether the cycle of mold injection production meets the minimum cost requirements;

4. Whether the mold structure and action are designed reasonably/reliable;

5. Whether the mold material meets the design materials;

6. The appearance of the mold is clean and tidy. The key points of all kinds of marks are complete according to the requirements of each company and the requirements of the products.