Changzhou Changsong Metal Composite Material Co., Ltd is a professional manufacturer of prepainted steel sheet, PPGI coil and VCM sheet in China, and from the very beginning of our foundation in 2003, we have been committed to the research and development, manufacture, sales, and service of high-grade household appliance color panels and building color plates. Our products mainly fall into three categories: prepainted steel sheet, PPGI coil (color coated sheet) and VCM sheet. And the prepainted steel sheet consists of hot dip galvanized steel sheet (galvanized steel coil) and hot dip Al-Zn alloy coated sheet; the PPGI coil includes PPGI roofing sheet, PVDF steel sheet, HDP steel sheet, SMP steel sheet, decorative coated steel sheet, PCM steel sheet, energy efficient wall panel (energy saving wall panel), anti-static coated sheet and pre-coated writing board; and our VCM sheet is mainly comprised of freezer coated sheet, air conditioner coated sheet, refrigeration storage coated sheet and solar heater coated sheet. Our products are mainly used in the fields of white goods and black appliances, such as building materials, decorative materials, refrigerators, washing machines, air conditioner, digital video, computers, audio equipment, and the like. We have introduced our production equipment and technologies from Japan and Germany, and the control systems of our fully-automatic production equipment are introduced from Siemens of Germany. So far, we have as many as 6 production lines of prepainted steel sheet, color coated sheet and VCM sheet, and our annual production capacity is as many as 800, 000 tons. Meanwhile, we have built up cooperative relationships with many famous international companies, like Nippon of Japan, KCC of Korea, Valspar of U.S. and such.