Zhengzhou Hi-tech Mould Co.,Ltd. Is an important production base for special moulds used in machinery and elec-tronic industries in China. Located in beautiful Zhengzhou High-tech Industry Development Zone, the company is a high-tech enterprise with joint stock system which combines research, development and production together.Hi-Tech Company Keeps its research on the study of localization of the moulds used in glass bulbs of color kine-scopes, In a few years, they developed the material and products of moulds for 14 to 29 inches glass bulbs of color kinescopes. They also broke through the key technical problems of the moulds used in 33 and 34 inches glass bu-lbs. The technical indexes of the products have come to or overpass those of the similar products in foreign countries. All the moulds used in the kinescope bulb manufactures in China are thus localized. Great contribution was made for the development of color TV sets industry in China. The company also developed material and products for the mou-lds to make car lamps and special glass used in microwave ovens. The other products include heat resisting, wear resisting and erosion resisting castings as well as high-quality ductile iron castings.