Shanghai Computer and Sign Technology Equipment Co., Ltd. ("CAST") was established in Shenzhen, China in 1992. It is one of the companies who were first engaged in early domestic advertising material field. After continuous development for fourteen years, now CAST is mainly specializing in the products related to digital solvent printing equipment, printing media and advertising accessory equipment. Since 2002, the CAST launched "Chameleon" series of large format printing equipments and high frequency plastic welder, and introduced into the high precision water-based ink jet printer which was widely used in wedding photographic studio and drawing design. Meanwhile, the CAST have made the investment and cooperated with relevant enterprises or manufactories as a technological shareholder. We also developed and produced printing media and environmental protective board applied to advertising trade. Through hard working the CAST has gained a very good reputation for the stable quality, performance, perfect after-sales service and good researching capability between trades. Having more than twenty distributors all over the world, the CAST has become one of the best suppliers in advertising equipment and material source in China. "Combination is power, unity is strength. " Our objective is to specialize in "people first" to serve the benefit of the users, and always to pursue the higher and upper goals. We guarantee quality, delivery and provide customer service, most of all a very attractive price. </p>