... CAS No.:471-34-1About Us Sanming Coffer Fine Chemical Industrial Co., Ltd. specializes in researching, developing, manufacturing and ... Sanming Coffer supplies worldwide first-class products, including Super-fine Guanidine Nitrate, Cupric Nitrate basic, Ammonium Nitrate phase stabilized ... only enterprise who has succeeded in manufacturing Super-fine Guanidine Nitrate for air-bag manufacturers. From the ...