We, Qshi Industry(Shanghai) Co.,Ltd., as the largest and professional manufacturer of potassium fluoride(KF) in the world, we can provide high quality products with competitive price to help cut down your cost.Our factory is located in Henan Province, and we are sales office in Shanghai, mainly responsible for export business. We have warehouse in Shanghai for export cargo. We have passed ISO9001, ISO14001, and Kosher Certification. Our main customers are 3M, DOW, Samsung, LG etc.and We have bee...