Yunlong Sealant Co., Ltd. was built in 1990 and is one of the oldest and the best manufacturers of Sealants in China. We are professional in all kinds of sealants. Yunlong products were entitled as "Satisfactory Products of China Consumers", "Qualified Products of Shandong Technology Supervision Bureau" and "Gold Award of 98 Patent Market & New Technology Expo". Our company was entitled as "the Quality Checking Exemption Enterprise among 28 Co-operation Cities" in 1999 and got "Member Certificate of China Adhesive Agent Industrial Association in 2000". Our products were listed into Survey of Main Construction Materials Enterprise & Famous Construction Materials in China in November 2000. Our products are Quality Checking Exemption Products in China. Yunlong company owns high technology and good teams to produce sealants. We can offer you reliable quality and best service forever. Welcome you to visit our factory at any time!