三纳化学是一家专业从事胶粘剂行业的公司，自2003年6月开始一直定位于专业的化学品供应商，于2005年收购瑞士PUNADE技术；历经10年的行业经验，通过市场调研，研究开发、生产制造、市场营销的持续改进，产品和服务得到了全球客户的认可和信任。                                                                                                                         Shanghai Sepna Chemical Technology Co.,Ltd is a professional adhesive sealant manufacturer, with more than 16 years in chemical industry. Sepna has two factories,one located in Shanghai, and another one is in Suzhou, the factory in Shanghai over 3,000㎡, Suzhou 25,000㎡ with 105 staff, including 20 technical and R&D staff. it enjoys a good production and operation environment. Productivity per year: 10,000 Tons. Since the company's founding in 2003,Shanghai Sepna has has been focusing on the adhesives industry, dedicated to the development and application of adhesives. In 2005, we have introduced the PUNADE technology from Switzerland. After nearly 16 years of development, through the exploration and continuous innovation, Sepna Chemical has become a mature adhesive supplier with its unique core competitiveness. We are always developing and innovating, we develop new type products every year to keep up with the market.