Yantai Langtt New Material Technology Co., Ltd. is a professional research, production and sales enterprise of polymer stabilizers and polyurethane chain extenders. It has mastered international new and functional additives through exchanges and cooperation with experienced additives research institutes and factories. The direction of development, keep pace with cutting-edge technology, and is committed to providing innovative products and professional services to outstanding customers in the polymer field. The products mainly include four series of products, such as antioxidant, UV absorber, hindered amine light stabilizer and polyurethane chain extender.