Hangzhou Zhijiang Organosilicon Chemical Co., Ltd. is a joint-stock enterprise specializing in the research and development and production of new chemical materials. It is one of the first three silicone structural adhesive manufacturers recognized by the State Economic and Trade Commission and a national high-tech enterprise.

Zhijiang has a post-doctoral scientific research station and a national CNAS accredited laboratory. It has introduced 22 advanced sealant automated production lines from Germany, Switzerland and the United States, as well as a group of high-quality domestic and foreign young and middle-aged experts and professors. An advanced software and hardware scientific research and manufacturing platform. Zhijiang has ten series of more than 80 varieties of products. The trademark series products such as "Golden Rat", "ZHIJIANG" and "Golden Rat Zhijiang" are widely used in curtain walls, doors and windows, prefabricated buildings, decoration, industry, and rail transit. And other industries, exported to Europe, North America, South America, Southeast Asia, the Middle East and other regions. Many products have won provincial and ministerial science and technology awards, and have been included in the national 863 plan and technological innovation plan for many times. They enjoy a high reputation and reputation in the domestic and foreign markets. The company's products are commonly used in well-known landmarks and super high-rise buildings, such as the National Stadium (the main venue of the Beijing Olympic Games), Beijing Capital International Airport (the largest single building area of ​​the domestic airport terminal), and the Shanghai World Expo Center (a permanent reserved building for the Shanghai World Expo) ), Hangzhou International Expo Center (the main venue of the G20 summit), Chengdu New Century Global Center (the world’s largest single building), Suzhou Eastern Gate (known as the “world’s first gate”), Zhejiang Expo Center (the world’s Zhejiang Business China Headquarters), Wenzhou World Trade Center (the tallest building in Zhejiang), Baoneng World Financial Center (the tallest building in the Northeast), etc., have won high praise from users.