jinan Tewo Insulating Glass Material Co.,Ltd.is aprofessional development,production and sales of construction sealant products joint-stock ompany.Company headquarters is located in North Industrial park,Jinan ,shandong,China.The company has the most advanced automted production lines,high-quality professiona and technical personnel.Relying with universities and research institutes, Shandong Province's long-term technical cooperation, constantly working two-component silicone insulating glass senlant,two-component silicone structural sealant,hot melt butyl sealant for insulating glass sealing material innovation improvement.