Established in 1978, Gran Brothers Co., Ltd. is a specialized manufacturer of zippers and related machinery. For the first decade, we have only been engaged in the production and export of zippers and related machinery, such as zippers, zipper machines and whole plant of zipper making machinery, including the know-how transfer of zipper-making technology and related raw materials. Since 1990, Gran Brothers has become one of the leading trading companies in the zipper field. In order to be ...