We Gansu Qiyuan Chromate Chemical Production Co.,Ltd located in the far Gobi Desert area Jiayuguan Industrial Zone,Gansu Province, Northwest of China, covers 320,000 square meters in size,with more than 500 staffs.Our company is a collection of scientific research, production, sales as one of the modern chemical industry,our strong technical force,actively promote the professional technical progress and quality of the product development, in good faith cooperation.The company has long focused on...