Kezhijie New Materials Group Co., Ltd. (hereinafter referred to as "Kezhijie") is a technology-leading enterprise group under Lezhi Group (stock code: 002398), committed to the research and development of concrete additive-related technologies and the transformation of results. From an advanced corporate management perspective, Kezhijie efficiently integrates the R&D, production, sales and technical service business chain of concrete additives, providing high-quality and efficient concrete additive products and services for the commercial concrete industry and infrastructure projects.

Kezhijie is a technologically advanced production and application technology integration solution provider in China's concrete admixture industry, and is also a fast-growing enterprise in the same industry. With the internationalization strategy of "focusing on the domestic market, developing overseas, improving positioning, and special research", we efficiently integrate the "research, production, sales, and service" industrial chain to provide the industry with cost-effective products and services. 14 production bases and 2 overseas production bases in provincial administrative regions such as Fujian, Chongqing, Guizhou, Henan, Shaanxi, Guangdong, Zhejiang, Hunan, Jiangxi, Jiangsu, Yunnan, Hainan, Hebei and other provincial administrative regions. It has a variety of admixture synthesis production lines such as polycarboxylic acid synthesis, naphthalene synthesis, aliphatic synthesis, amino synthesis, etc., and can provide more than 100 concrete additives and related products. The annual design and production of 800,000 tons of polycarboxylic acid-based high-performance water reducer mother liquor is designed and produced, and the annual compounding capacity of polycarboxylic acid-based high-performance water reducer is reached 4 million tons; the annual design and production of 600,000 tons of naphthalene-based high-efficiency water reducer mother liquor is designed and produced. (Contains naphthalene, aliphatic and amino mother liquor), the annual compounding capacity of naphthalene high-efficiency water reducing agent reaches 1 million tons.

Kezhijie insists on "technology creates value". Kezhijie R&D team is committed to the development of new building materials in concrete, closely tracking the international advanced technologies in the concrete admixture industry, and continuously solving the problem by promoting "standardization, automation, and informatization". Improve the technical difficulties of concrete engineering, take "rapid R&D response" as the core strategy, and strive to achieve the "90-day product development mechanism". With perfect vertical integrated industrial supply chain support - advanced equipment, quick logistics response, standardized management, and passed the ISO management system to further improve the efficiency of R&D, production, sales and technical services, provide customers with more accurate products, and more Reliable quality, more comprehensive service.

The Kezhijie R&D Center was established in 2010, covering an area of ​​19,380m², focusing on the research and development of new technologies and new processes. It has a high-quality professional R&D team and high-precision equipment that can accurately measure the physical and chemical properties of concrete hydration, microstructure, strength, stress, etc., to ensure that users receive professional technical support in optimizing concrete matching design. The scientific research and development laboratory has complete instruments and equipment, and can carry out scientific research work such as material chemical structure analysis, material physical performance testing, concrete durability testing, and has the scientific research conditions to engage in high-performance civil engineering materials theory and engineering technology research.

Kezhijie insists on "scientific and technological services to China", and achieves a leap from a multi-regional market to a national market by establishing production and sales channels covering the whole country and integrating comprehensive advantages in brand, technology, capital, talents and management. "Kezhijie" brand Point series high-performance concrete additive products, covering water reducing agents, pumping agents, retarding agents, quick-coagulation agents, premature strength agents, expansion agents, antifreeze agents, quick repair agents, grouting agents, Grouting materials, shrinkage agents, interfacial agents and other new types of concrete modified materials are widely used in concrete mixing stations, prefabricated high-strength pipe piles, high-speed railways, highways, nuclear power, thermal power, bridges, ports, docks and other construction fields. , the product sales market radiates at home and abroad, with a high share of the market.