aak refers to AAK zipper.

AAK zipper is a trademark registered and launched by Guangdong Haihua Zipper Co., Ltd. in 2004. AAK zipper specializes in the development, production and trade of metal zippers, nylon zippers, invisible zippers, resin zippers, sewing threads and other series of products. of private enterprises.

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AAK zippers have introduced advanced production equipment at home and abroad, including zipper webbing, molding, stitching, bleaching and dyeing, molds, die-casting, painting, electroplating, and post-processing production. Many of these products have applied for national patents and have been approved and authorized by the State Intellectual Property Office. By the end of 2012, the company's total investment exceeded 150 million yuan, and its annual zipper output reached more than 300 million meters.