Ningbo Double Fly Co., Ltd. are one of the leader suppliers in China which deal with mineral products. Especially Fluorspar for our factory can produce 10, 000mts wet material and 50, 00mt dry powder every year. And it is also has two mines which can produce 50, 00mts lump with caf2 75%-98% specification. The goods of fluorspar is selling well in USA, India, Japan, hongkong and so on. Our company adhere to the principles of "equality and mutual benefit" and hope to building long business with the company from abroad and home.