Plastic injection molding machine is an important equipment which can inject hot plasticity plastic and hot getting firm plastic after heating and making various kinds of plastics products. The plastics industry is a new developing industry, though the developing history of injecting molding machine is still very yong, With the development of sciece and technology , the plastic injection molding machine have already developed into a relatively ripe machines. HW series machine is reseachine is researched, developed, making, selling all by oneself since the company established. HW series is exactly representative of machines, which can satisfy user's processing of various kinds of ordinary products.