Shanghai Qinxin Technology Centre (sole proprietorship) is a manufacturer specializing in the research and development, production, sales and service of SLES , GHK-CU and other chemical products. We always pursue the most competitive prices, high quality of each product, and most considerate services to provide satisfactory products and services to every customer around the world. Our products are mainly exported to customers in European countries, the United States and Australia. Our products are widely recognized and trusted by users. We look forward to hearing from each of you and welcome new and old customers to contact us to create future business relationships and mutual success!