About us

     Zhengzhou Zhongyuan Silande High Technology Co., Ltd. was founded in 1983, thrived as the first hi-tech company specialized in sealant research, produce, and sale. As the leading enterprise in the industry of sealant, it was one of the first enterprises engaging in Silicone Structural Sealant production and sale, appointed by the National Economic and Trade Committee. Besides, it is also well-known as the Technical Center of Anti-corrosion Sealing Material for National Petroleum and Gas, Technical Research Center of Engineering Technique on Sealant in Henan, Provisional Technical Center of Enterprises, Academician’s Workstation of Sealing Material, Postdoctoral Workstation on Scientific Research Center, and Secondary Qualified Confidential Unit On Military Projects. Awarded as “Star of the Enterprises” at several times by the government and featured with advanced management system and remarkable benefit, the company has passed ISO9001&TS16949 Qualification Management System, and ISO14001 Environment System Certificate, its Quality Inspection Center has gained the verification of CNAS.
      With a professional scientific and inspection team of over 100 research personnel, the company has engaged in and set up over 30 national and industrial standards, and declared over 40 National Inventions and new patents. Nowadays, the research center owns several professional inspection labs with more than 300 types of equipment. As the pioneer and leader in domestic sealant industry, the company has undertaken and accomplished several projects of “Torch plan” and “the Programs for Tackling Key Problems”, which has infilled the blank of sealant industry in China. The rewards include the followings but not limited to:Bronze in National Exchange Exhibition of First Session of New Techniques and Products, Award of Excellence in First Session of National Torch High-tech and Product Exhibition, National Programs for Tackling Key Problems, National New Product and Provincial Scientific Progress Award in Henan. A great contribution has been made to the sealant industry in China.
      The company’s products cover several series, including polysulfide, silicone, butyl, epoxy, polyurethane and coating, which have been widely applied on building curtain walls, anti-corrosion, automobile, solar power PV modulus, LED and military purpose. At a world-class level, all the products have passed European Standard, and achievement appraisal affiliated to a nation, province or ministry. As an excellent substitute of imported product, our sealant has been widely used in ten thousands of remarkable National and foreign projects, such as National Theater, Beijing International Airport, National Museum, World Expo China Pavilion, Shenzhen Stock Exchange Center, Shanghai Center, Hongkong-Zhuhai-Macau Bridge, Cross-sea bridge in Hangzhou Bay, Rolex Mansion in Dubai, COCOON Mansion in Japan. Some famous enterprises like Fuyao Group, Zhengzhou Yutong Bus, Lee Chang Yung Chemical Industry and Sinopec Yangze Petrolchemical Company Ltd have already adopted our products.
      Nowadays the company has 7 branches separately distributed in Beijing, Shenyang, Shanghai, Suzhou, Shenzhen, Chengdu and Zhongnan, as well as over 40 liaison offices around the country. Meanwhile, the foreign trade department is founded with an establishment of liaison offices in Hongkong and Dusseldorf of Germany. Now the company’s products have been sold in over 30 countries and regions, like US, Japan, Italy, South Korea, Britain, Dubai, Russia, Australia, Kazakhstan and India. Indeed, our brand “SILANDE” has become a famous recognized one in industry of sealant Both in China and abroad. 

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