In actual work, when the Automatic Molding Machine produces some high-quality sand molds, the product often has uneven compactness, and even cannot be molded.A customer found that the compactness of the sand mold was not high during production.

Casting is the foundation of the manufacturing industry and the basic industry of the national economy. However, due to the early start and rapid development of foreign developed countries, there is still a certain gap in the efficiency of castings produced in my country compared with industrial dev

The Delin Air Ecological Orchard is located on the roof of the 7th floor of the Delin Comprehensive Office Building. It uses tree planting bags and rubber pots to put fruit trees into pots. A total of more than 100 fruit trees of more than ten categories, such as tribute oranges, oranges, pears,