QINGDAO DOLCO BUILDING MATERIAL CO., LTD introduces the advanced technology and craftsmanship from Europe and South Korea, engaging in R & D,manufacture and Sales of the one-component polyurethane foam sealant, PU foam cleaner and Silicone sealant. Our Products are made by unique formula and featured by high-quality raw materials. Our company owns the advanced full automaticity filling equipment, and the science and technology is at the forefront position. The products become the model of the high performance-price ratio abroad. The products are exported to many countries and the quality obtains unanimous approval from customers.