Zhejiang Jiande Feiling Tools Co.,Ltd. who is the member of the Chinese Hardware & Tools Association is specialized in producing " FL " brand screw series products, the annual output of the screwdriver bit set is more than one hundred million, a variety of screwdriver sets are nearly 50 millions. The products find a good sale in the countries such as Europe, U.S.A., Middle East, Taiwan and Russia, etc. The company covers an area of more than 20000 square meters, have advanced imported cars , the full-automatic mill process hydraulic pressure lathe assembly line, the full-automatic hot device plastic plastics mould machine and the full-automatic heat treatment quenching equipment, and the advanced products test center. The enterprise has the rich producing experience, and has the advanced production equipment and scientific products detection method. The products have passed the German TUV. GS authentication, VDE.GS authentication, VPA.GS authentication, and be verified through the factory of American Walmart Company, the industrial designs of some products enjoy the patent right in China.