Invented Sainuo's redundant internal waterproofing technology.

Company established

First application of Sainuo technology in waterproofing a 14-meter deep foundation pit at Tianyi Building in Hainan.

Sainuo internal waterproofing technology applied in the Jinan section of the Beijing-Shanghai High-Speed Railway.

National recognition for Sainuo’s waterproofing technology; included in the "National Waterproofing and Leak Sealing Quota Handbook."

Provided technical support for the national South-to-North Water Diversion Project with Sainuo’s waterproofing technology.Published : Article on the application of YYA special waterproof and permeation-resistant slurry in underground engineering leakage control in "China Building Waterproofing" journal.

Ranked among the Top 500 Enterprises in China’s building materials industry. Provided moisture sealing technology support to Duke University Kunshan campus in the U.S.

Invented redundant waterproofing systems for urban agriculture. Contributed : To the revision of GB 50108 "Technical Specifications for Underground Waterproofing Construction." Co-authored : "Rigid Waterproofing Technical Guidelines." Chief Editor : "Technical Guidelines for Comprehensive Management of Underground Engineering."

Became a graduate practice teaching base at Northeast University. Established : Research and Development Center for Zhengsai Group at Shenyang Jianzhu University. Provided technical support for the construction of the national dark matter laboratory. Contributed : To the "National Waterproofing and Leak Sealing Technical Handbook." Performed comprehensive internal waterproofing for a 350-meter deep tunnel at Shanxi Taigang Group.

Became a R&D service workstation for scientists at the Chinese Academy of Sciences. Represented the Chinese waterproofing industry at the "China-Korea Waterproofing Industry Technology Development International Exchange Seminar" in Korea.

Invented P30 intelligent concrete technology. Established : Concrete protection laboratory at China Metallurgical Group Corporation. Participated in a high-end forum on theory and engineering integration for the Sichuan-Tibet Railway, providing technical support.

Recognized as a national high-tech enterprise. Established a concrete protection laboratory with China Metallurgical Group Corporation. Chief Editor : Technical specifications for "Waterproof and Permeation-resistant Materials for Building Backwater Surfaces." Chief editor of the national standard for "Engineering Redundant Sealing Technology Standards." Invented : Soil lithification technology.

Participated in the 19th China-ASEAN Expo, signing a strategic cooperation agreement with Guangxi Building Research Institute. Joined the Institute of Academicians of the Zhongke Guangqi Academy. Prepared CECS group standards for "Technical Guidelines for Soil Lithification Technology Applications."

Hosted the International Forum on Red Mud Comprehensive Utilization. Became a member of the CSTM/FC03/TC28 Standardization Technical Committee for Special Engineering Materials. Participated in drafting the national standard for "Self-Waterproofing Technical Conditions for Construction and Municipal Engineering Concrete Structures."

Participate in the United Nations COP16 Conference, the 16th Conference of the Parties to the United Nations Convention to Combat Desertification, and host the conference of the Association of Old Professors, the 14th International Academic Conference on Building Construction, Renovation, and Disease Treatment.