Jiangxi Longzheng Technology Development Co., Ltd. is a Sino-German joint venture, focusing on the research, development, production, and sales of tunnel fireproof coatings, tunnel-specific decorative coatings, tunnel energy-storing luminescent coatings, steel structure fireproof coatings (thick, thin, and ultra-thin types), and interior and exterior wall coatings, as well as painting construction and technical services. The company consistently upholds the core values of technological leadership, technical advancement, people-oriented principles, and integrity, striving to become an exemplary enterprise in the industry with advanced management and standardized operations, guided by high standards, rigorous requirements, and a high starting point. All products of the company have obtained national 3C certification. They have been widely applied in key national projects, including expressway tunnels, civil construction projects, subways, high-speed railways, air-raid shelters, underwater tunnels, and river-crossing tunnels in Jiangxi, Yunnan, Guangxi, Guangdong, Fujian, Zhejiang, Hunan, Hubei, Ningxia, Liaoning, Anhui, and Wuhan. All completed projects have met relevant national fire protection standards and have successfully passed inspections by owners and the public security fire authorities.