In urban water conservancy construction, the "hard lines" of traditional concrete dams are gradually being replaced by the "soft and graceful curves" of flexible hydraulic structures. As a leading enterprise in China’s rubber dam industry, Qingdao Huahai Environmental Protection Industry Co., Ltd. has developed color rubber dams that have become the showcase of Huahai Environmental Protection with their unique technological advantages and aesthetic value.

In terms of raw material selection, Huahai rubber dams adopt high-strength, water-resistant Nylon 66 canvas as the load-bearing framework, with aging-resistant synthetic rubber coated on both inner and outer surfaces as the sealing and protective layers. The main rubber of Huahai’s color rubber dams uses chlorosulfonated polyethylene rubber (CSM), which features excellent performance in high strength, heat resistance, light resistance, aging resistance, color retention, corrosion resistance, abrasion resistance, frost resistance and water resistance. Internationally renowned brands are used for the main rubber types and pigments of the dam’s colored rubber layers, ensuring more durable coloration. The anti-ozonants, UV absorbers and other components in the anti-aging system of Huahai’s dam rubber compounds are also supplied by world-famous manufacturers, effectively guaranteeing the dam’s aging resistance and sunlight resistance.

In structural design, Huahai Environmental Protection’s color rubber dams adopt a unique optimized design, solving the common problems of shoulder collapse and wrinkling in traditional rubber dams, resulting in smoother and fuller dam curves. Notably, this dam type applies one-piece integral vulcanization technology, realizing seamless production. This eliminates the risk of water leakage inherent in traditional splicing processes, improves the integrity and sealing performance of the dam, and creates a flatter and smoother dam surface, further enhancing the landscape effect—truly achieving a balance of aesthetic appearance and practical performance.

With outstanding technical performance and comprehensive strength, Huahai Environmental Protection’s color rubber dams have been widely applied in water conservancy projects across many provinces and cities in China, creating numerous benchmark projects integrating functionality and landscape value.

On the Chaobai River in Shunyi, Beijing, the curved blue rubber dam constructed by Huahai Environmental Protection stands 3.9 meters high and 300 meters long. As a supporting project for the 2008 Beijing Olympic Canoeing Events, its blue dam body blends perfectly with clear water and surrounding vegetation. It not only fulfills water level regulation and flood control functions but also has become an iconic landscape of the Chaobai River Belt, adding brilliance to the Olympic Games.

In Linyi, Shandong Province, Huahai Environmental Protection has built the Yi River Color Rubber Dam Group. Among them, the 700-meter blue rubber dam is known as "Asia’s No.1 Dam", and the 1,120-meter rubber dam has set a Guinness World Record. The kilometer-long dam with blue-green gradient colors has become a landmark of Linyi, attracting over one million tourists annually and boosting the vigorous development of the surrounding cultural and tourism industry.

In the Fenhe Scenic Area of Taiyuan, Shanxi Province, the rubber dam project manufactured by Huahai Environmental Protection features colorful dam bodies harmoniously integrated into the scenic landscape. This project has won multiple honors including the China Habitat Environment Prize and the Dubai International Award for Best Practices to Improve the Living Environment, setting a model for the integration of urban ecological governance and landscape construction.

Today, with the thorough implementation of the concept that "clear waters and lush mountains are invaluable assets", modern urban water conservancy construction imposes increasingly higher requirements for the integration of ecology, landscape and functionality.

Huahai Environmental Protection will continue to deepen its presence in the field of flexible hydraulic structures, steadily increase R&D investment, and advance the upgrading of color rubber dam technology toward greater intelligence, durability and landscape performance.

The company will create waterfront ecological landscapes featuring "clear water, green banks and beautiful scenery" for more cities, enabling water conservancy projects to truly integrate into urban development and become an important force for protecting clear waters and enhancing urban aesthetics.