Shenzhen Baoxin Zipper Co., Ltd founded in 1991, has a total investment of more than 100 million yuan. It has two factories of 40,000 square meters, more than 20,000 square meters of factory buildings, more than 500 employees, and the annual output of zippers is more than 200 million meters. It has developed into a large-scale private enterprise integrating R&D, design, production, sales and service. The company is now the director unit of China Hardware Products Association Zipper Branch, the executive vice president unit of Guangdong Zipper Chamber of Commerce, the standing unit of Shenzhen Small and Medium Enterprises Development Promotion Association, the vice president of Shenzhen Quality Association, and the outstanding enterprise of zipper industry. The company's BSL brand zipper was awarded: Guangdong famous brand products.Products passed ISO9001-2001 quality management system standards。According to the OKO-TEXSTANDARD100 standard, in 2000, it passed the environmental certification of Swiss Textile Testing Co., Ltd. The company has introduced advanced production equipment at home and abroad, zipper webbing, molding, sewing, bleaching and dyeing, mold, die-casting, painting, electroplating, injection molding, tooth removal, post-processing and other processes are independently developed, designed and produced.