Since 1887, H.B. Fuller has been a leading global adhesives provider focusing on perfecting adhesives, sealants and other specialty chemical products to improve products and lives. With fiscal 2017 net revenue of over $2.3 billion, H.B. Fuller’s commitment to innovation brings together people, products and processes that answer and solve some of the world's biggest challenges.  
     Established in 1993, TONSAN is a high-tech enterprise dedicated to engineering adhesives.  
     In February 2015, TONSAN was acquired by H.B Fuller company and became an important foundation of H.B. Fuller Engineering Adhesives. With combined technologies, manufacturing capabilities and supply chain stabilities, as well as global resources and reaches of H. B. Fuller company, TONSAN continues advancing engineering adhesive technologies, improving service capability to local and abroad customers, assisting customers to enhance product performance, and achieving better and satisfying life for end users.