Founded in 1975, Qingdao Huahai Environmental Protection Industry Co., Ltd. was formerly known as the State-owned No. 7 Qingdao Rubber Products Factory. After half a century of development, it has become a national leader in the fields of rubber dams and oil spill prevention and control environmental protection equipment. Adhering to the philosophy of "Quality First, Customers Supreme", the company safeguards the stability of rivers and the cleanliness of the ocean with solid craftsmanship, continuous innovation and reliable services.

Rooted in the Environmental Mission, Leading the Industry Standards

As an outstanding enterprise in China's environmental protection industry, Huahai Environmental Protection Industry Co., Ltd. keeps pace with the country's green development, actively responds to the national arrangements for strengthening ecological and environmental protection and promoting the efficient utilization of water resources, and devotes itself to the field of environmental protection equipment with forward-looking vision and innovative strength. Supported by two core product series—river retaining dams and oil spill recovery equipment—the company has built a full-chain professional system covering design, production, installation and services, committing to providing solid technical support and equipment backing for the national environmental protection cause.

Huahai Environmental Protection is not only a practitioner of environmental strategies, but also a leader in industrial development. With solid technological accumulation and continuous investment in scientific research, Huahai Environmental Protection has developed into a national high-tech enterprise, a "Specialized, Sophisticated, Unique and New" enterprise in Shandong Province. It has also been approved to establish a provincial enterprise technology center and undertake scientific and technological research projects of the Ministry of Transport. Its technical strength and industrial contributions have won wide recognition from the state and the industry.

In terms of brand and reputation building, the company has successively been awarded titles such as "Provincial Enterprise Abiding by Contracts and Valuing Credit", "AAA Credit Enterprise of Shandong Province" and "Qingdao Famous Brand". The "Qinglan" trademark has also been recognized as a "Famous Trademark of Shandong Province". These honors are not only a high recognition of its product quality and business reputation from the market and society, but also further consolidate its leading position in the industry.

Innovation Drives Manufacturing, Ingenuity Crafts Custom Solutions

In the field of professional equipment manufacturing, technological innovation and lean manufacturing are the foundation of survival. The company boasts a strong R&D team, and actively cooperates with top research institutions such as the Waterborne Transportation Institute of the Ministry of Transport and China University of Petroleum (East China) to jointly establish a Marine Environmental Protection Equipment Technology R&D Center. It has obtained a number of patents, including ozone-resistant rubber dams, high-cold-resistant rubber dams, and rapid retraction devices for heavy oil booms, driving technological progress and achievement transformation in the industry.

In terms of manufacturing strength, the company has established a precision manufacturing system based on advanced complete sets of production and testing equipment. It owns four complete production and processing lines for rubber dams and pneumatic shield dams, with an annual production capacity of 800,000 square meters.

From rubber mixing, calendering and vulcanization to finished product assembly, the company is equipped with multiple specialized workshops including machinery manufacturing and dam bag airbag production. It can fulfill customized production of multi-model, multi-size and even special-shaped products according to customers' specific water conservancy project requirements. It is this end-to-end one-stop service capability that enables Huahai to provide optimal solutions for complex and diverse water conservancy projects across regions.

In the field of oil spill prevention and control equipment, the product range covers oil booms, oil skimmers, oil spill monitoring systems, oil spill recovery vessels and various auxiliary equipment. Its oil boom series products have obtained certification from China Classification Society (CCS), with technologies reaching the advanced level in the industry.

Global Quality Verified, Safeguarding Ecological Security

Huahai Environmental Protection's products and services have been widely applied in numerous major engineering projects both at home and abroad, earning wide acclaim for their outstanding performance and reliable quality.

In the rubber dam sector, since 1994, Huahai has manufactured and installed more than 6,000 rubber dams and pneumatic shield dams in total. These projects are not only distributed across all provinces, autonomous regions, and municipalities directly under the Central Government in China, but also exported to many countries and regions around the world, including the United States, Vietnam, Bangladesh, the Philippines, and Iran.

It has constructed key projects such as the 700-meter colored rubber dam on the Yi River in Linyi, Shandong Province, known as "Asia's No.1 Dam", the 1,120-meter rubber dam at Xiaobudong in Linyi which set a Guinness World Record, the 500-meter rubber dam in Baqiao District of Xi'an, Shaanxi Province, the 346-meter rubber dam on the Huangshui River in Xining, Qinghai Province, and the 300-meter curved rubber dam on the Chaobai River in Shunyi, Beijing. These projects have not only effectively regulated water resources and beautified the urban environment, but also become models for local water conservancy construction and ecological governance.

As early as 1989, Huahai Environmental Protection undertook the scientific and technological research project of the "Seventh Five-Year Plan" by the Ministry of Transport, entering the environmental protection industry of water oil spill recovery. In the field of oil spill emergency response and marine environmental protection, the company acts as a "security guard" at critical moments.