Nanjing Jinzhang Industrial Company Limited is co-invested by Nanjing Yuntai Mountain Pyrite Mine and Caifu (Hong Kong) Industry Co.,Ltd. for a total investment of ?20 million. We are now the world's largest sulfamic acid provider, with an annual production of 25,000 tonnes. Our state-of-the-art manufacturing technique ensures consistent high quality of the product we provide. The product has been well recieved by customers in China, and in Hong Kong, Canada, US, Spain, etc. Currently sulfamic acid is facing an ever onging needs - from manufacture of sweetener, drug intermediates, water purification, sufactant, dye and much more, and the market is expanding.

We are looking forward to business cooperation with you, for mutual benefit and development.