Changsong Group is the biggest local mill of GI,GL,PPGI&PPGL, whose major export market is Southeast Asia, South America and Europe. We specialize in this field for more than twenty years, with product of good quality, pretty competitive price and good reputation among our partners like Samsung and LG.

Simpson?is the brand that Changsong Group(Jiangsu) created in the year of 2009 with a heavy investment. In accordance with the company tenet of high technology, high quality and environmental friendly, we innovate continuously to meet market demand. Specialized in manufacturing and distributing new metal materials, we mainly produce top grade color-coated steel sheet for building purpose, color-coated steel sheet for electrical appliance, solar color-coated steel sheet, self-clean PCM, writing board and anti-static sheet, etc. We have 6 advanced production lines with an annual output of 800,000MT. In 2011, we introduced 2 more production lines specialized in manufactureing silicon steel sheet for industrial use and copper composite plate, aluminium composite plate and stainless composite plate which can substitute copper, aluminium and stainless steel. We've introduced a complete set of production line equipment control system of fully-automatic electrical appliance from Germany Siemens.