The injection moulding machine has the ability of Miggio plastic products with complex shape, precise size or metal inlay, and is widely used in national defense, electromechanical, automobile, transportation, building materials, packaging, agriculture, culture and education, and people's daily life. The rapid development of the plastic industry, injection molding machine, whether in quantity or variety occupies an important position, its total production accounted for the entire plastic molding equipment 20%--30%, thus becoming the most rapid growth in plastic machinery, the production of one of the largest number of machines.
According to statistics, 1996--1998 China Export Injection molding machine 8383 units (sets), imported injection molding machine 42959 units (sets), of which in 1998 China's injection molding machine production reached 20000 units, its sales accounted for the total sales of plastic machine 42.9%. China's production of injection molding machine manufacturers more, according to incomplete statistics has more than 2000. The structure of injection molding machine has vertical and horizontal two kinds.
According to the production of products can be divided into ordinary and precision injection molding machine.