Gansu Jinshi Chemical Co., Ltd. (formerly named Minle Chemical Plant) is a private enterprise, originally founded in 1970. Our company is a comprehensive manufacturer of chrome salt, alumina, sodium sulphide, cement, phosphate fertilizer and plastic-woven bags. In 2003, our 10kt example project of calcium-free calcination sodium dichromate reached production standards. In 2006, this advanced and clean production technology was certified by State Development Innovation Committee. Our main ...