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Huahai was reexamined and identified as the provincial enterprise technology center. Integration of informatization and industrialization of Huahai was successfully identified. Huahai produced and completed the replacement of 770m long rubber dam bags of Taoyuan project in Linyi.

Huahai provided a complete set of oil spill emergency materials and equipment for the equipment warehouse of Shenzhen MSA. In the same year, Huahai participated in the joint search and rescue exercise on the Yangtze River, providing a full set of equipment for the ship oil spill disposal exercise, and provided technical support and guarantee. Huahai's "intellectual property management system" was successfully identified.

The installation and commission of Qiannan collapsible weir, Guiyang collapsible weir and pump house equipment produced by Huahai have been completed. In the same year, Huahai participated in the national major marine oil spill emergency response exercise, and provided materials and equipment such as oil boom, oil skimmer, unloading pump and etc. Huahai won the "Ocean Engineering Science and Technology Award". Qingdao Huahai Environmental Protection Industry Co., Ltd. was rated as "youth civilization of Qingdao West Coast New Area".

In 2017, Huahai won the bid for the procurement project of cyanobacteria control in South Taihu Lake, Zhejiang Province, providing 5000 meters of soft boom. In the same year, Huahai high strength anti cutting rubber dam was successfully developed and obtained relevant patents.The installation and commissioning of Fushun Tongzhuang river collapsible weir and pump house equipment produced by Huahai have been completed.

Huahai provided oil spill emergency equipment and materials for Sinopec Pipeline Storage and Transportation Co., Ltd.

In 2015, Huahai provided equipment and materials for the equipment warehouse of Zhejiang MSA, Fujian MSA, Hebei MSA, Weihai MSA and Zhenjiang MSA. "Huahai brand" has been rated as a famous trademark in Shandong Province. 

In 2014, Huahai participated in the national science and technology support program "research and development of high efficiency and environmental protection oil dispersant and quick deployment oil boom.”

Huahai cold resistant rubber dam has been successfully developed and obtained relevant patents. In the same year, Huahai participated in the treatment of crude oil after the explosion of Huangdao pipeline. "Qinglan brand" has been rated as a famous trademark in Shandong Province. Since 2013, Huahai has been recognized as a "high-tech enterprise" for many years.

Huahai has provided a complete set of materials and equipment for more than 50 units with ship clearance qualification. Huahai rubber dam new technology of lap joint has been successfully developed, and obtained relevant patents. Since 2012, many employees of Huahai have been awarded municipal and district level labor models by Qingdao Federation of Trade Unions. The world’s longest rubber dam, Xiaobudong, manufactured by Huahai, won the Guinness World Records.

The company invested nearly 10 million yuan to purchase large-scale rubber dam joint machine, CNC machine tools and other related equipment, set up a machinery manufacturing branch to undertake the manufacturing of a series of equipment, such as sewage ship and oil skimmer, and realized independent research and development and manufacturing. This year, the total industrial output value was 107 million yuan. In the same year, Huahai provided more than 30000 meters of various oil booms for the US Gulf of Mexico oil spill, and participated in the oil spill treatment work of Dalian 7.16 accident.
Since 2010, Qingdao Huahai Environmental Protection Industry Co., Ltd. has been rated as "integrity enterprise" for many years.

Huahai has invested 3 million yuan to develop oil absorbent mat and put into mass production. In the same year, Huahai participated in the clean-up work of Enteromorpha prolifera in Qingdao sea area (sailing arena of Beijing Olympic Games), and was rated as the outstanding contributor to the organization work of sailing competition of the 29th Olympic Games and Beijing Paralympic Games.

Huahai invested 5 million yuan to add new equipment to further improve production efficiency and ensure product quality.

The company had continuously expanded its production capacity to meet the market demand, and invested 8 million yuan to build an advanced production line with a length of 8 meters vulcanizing machine, which can realize double-layer vulcanization at the same time.

At that time, chairman Zhang Fanghai, who was 37 years old, was committed to innovation. According to the requirements of returning from the city to the industrial park, the board of shareholders decided to move to the seaside industrial park as a whole. In November, the company began to prepare, plan and design for the construction of a new plant area. In the first phase, Huahai invested 50 million yuan to build 9860 square meters of production workshop and auxiliary buildings, and added production lines and special equipment such as internal mixer and vulcanizing machine. After 10 months of efforts, in September 2002, without affecting the production, the whole relocation of Huahai was successfully realized. 

The company has implemented large-scale transformation of production equipment, adding large-scale three roll calender, drum vulcanizing machine, rubber mixing machine and plate vulcanizing machine, which greatly improves the production conditions, improving the production level and scientific research and development capacity.

Ahead of other companies in the same industry, Huahai has passed the ISO9002 international standard system certification, and has been rated as "Qingdao high tech enterprise" by Qingdao municipal government.

The successful production of rubber dam has fundamentally changed the company's product structure, and greatly improved the company's technical level, market share and economic benefits, achieving a sales revenue of 11.2 million yuan in that year.

In accordance with the deployment of the municipal Party committee and government, the company completed the enterprise restructuring and established a limited liability company, which was renamed Qingdao Huahai Environmental Protection Industry Co., Ltd.?This represented a milestone in the history of the company's development, injecting vigor and vitality into the enterprise.?In that year, the sales revenue was 7.75 million yuan.

Due to its outstanding achievements and great influence in marine environmental protection, the company was named "state-owned Qingdao Marine Environmental Protection Equipment Factory" by the Ministry of Communications, and operated in parallel with the state-owned No.7 rubber products factory.

The company, cooperated with the Water Transportation Research Institute of the Ministry of Communications, jointly undertake the development of the national "Seventh Five Year" key scientific and technological project - the development and production of harbor type inflatable rubber oil boom, and successfully developed a series of products such as oil boom, which passed the ministry level scientific and technological achievements and new product appraisal. The product fills the domestic gap and reaches the international advanced level. The company has developed a series of products such as float type oil boom and oil skimmer.

The company has adjusted the product structure and transferred to manufacturing supporting rubber products for oil drilling machinery. The company was identified as a designated production enterprise by the former Ministry of Petroleum.

Jiaonan county is under the jurisdiction of Qingdao city from Changwei district. The state-owned rubber products enterprises in all counties and districts are under the unified management of Qingdao Rubber Industry Corporation. The factory is named "state-owned Qingdao rubber products No.7 factory". On the basis of the original products, Jiefang tire is developed, and new products such as air bags and capsules used in oil drilling and production industry are developed and produced.

Jiaonan rubber factory was established with 116 employees, covering an area of 24000 square meters. The factory is mainly engaged in the retreading of used tires in the early stage, and successively develops and produces carriage tires in the later stage, with an annual output value of only one million yuan. At the beginning of the establishment of the factory, it faced many difficulties, such as lack of funds, talents and raw materials. At that time, the first factory director Liu Huiyuan led the staff to start a business from scratch.