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            About Us

            Milestone

            主頁?? About Us?? Milestone

            2019
            Environmental protection company contracted larger steel environmental protection project
            In 2019, Tonglida's technology was continuously upgraded and innovative technologies emerged endlessly. It obtained 4 invention patents in water treatment. In the same year, it upgraded various qualifications and successfully contracted major environmental protection projects of Donghua Iron and Steel Company.
            2018
            Tonglida was established for 20 years
            Tonglida was established for 20 years2018, it is the 20th anniversary of the establishment of Tonglida Company. Tonglida Company re-considered about the development of the management system, set goals for the next decade. Stay true to the original aspiration and move forward.
            2017
            A huge breakthrough in the company's business in 2017
            In 2017, Qinhuangdao Tonglida Environmental Energy Engineering Co., Ltd. signed the steel industry and the chemical industry's sewage reuse system contracts, with a value exceeding 200 million Yuan, exceeding Tonglida's leading position in the industry. The company contracted all water treatment projects of Ali Power Plant at an altitude of 4,300 meters.
            Liaoning Tonglida Technology Co., Ltd. formed a strategic partnership with Bucrckhardt-Shenyang Yuanda Compressor Company.
            2016

            Tonglida NEEQ listed

            On March 28, 2016, Qinhuangdao Tonglida Environmental Energy Engineering Co., Ltd. was restructured. The company was renamed Qinhuangdao Tonglida Environmental Protection Energy Inc. and its capital increased to 55.6 million yuan in June of the same year. On August 9, Tonglida became NEEQ-listed company. The name of the securities is "Tonglida", and the stock code is 838519.

            2010
            Invest in Liaoning Tonglida Technology Co., Ltd.
            In 2010, the company's legal person invested in the construction of Liaoning Tonglida Technology Co., Ltd., and three buildings in No. 4 Changcheng Street, Dong Dai HE New Distract, Suizhong County, with a construction area of 20,000 square meters, a five-story office building, and a registered capital of 10 million yuan. The capital increase in 2016 was 28 million yuan.
            2008
            Tonglida Company established R & D center
            In 2008, the company established a research and development center to conduct research and development and trial production of leading products in the emerging industry of heat exchangers. A total of 18 patents have been obtained, including 1 invention patent, 17 utility model patents, and 6 invention patents are under actual review. Many patents are applied to the company's heat exchanger products.
            2004

            Established branch with Tonglida Metallurgy

            In 2004, the registered capital was increased to 10 million yuan, and Qinhuangdao Tonglida Metallurgical Chemical Equipment Co., Ltd. was invested to obtain a D2 pressure vessel design and manufacturing license. Corporate executives are gradually divided into two categories. Core business: environmental water treatment, emerging business: heat exchangers and pressure vessels. The company transferred 50% equity of metallurgical and chemical industry in August 2015.
            2002
            Tonglida's self-purchased plant landed on Jinshan Road
            In 2002, the company constructed two factories from No. 8 Jinshan North Road, Qinhuangdao Economic and Technological Development Zone, a four-story office building, a warehouse, a canteen, dormitories and corresponding lifting equipment, complete manufacturing equipment, construction and put into use in the same year, registered capital 5 million yuan.
            1998.7

            Establishment of Tonglida

            Qinhuangdao Tonglida Environmental Protection Energy Inc. formerly known as Qinhuangdao Development Zone Tonglida Environmental Mechanical and Electrical Equipment Co., Ltd. and Qinhuangdao Tonglida Environmental Energy Engineering Co., Ltd., was established in July 1998. The original factory was located at Qinhuangdao Dongshan Shipyard, part of workshops and office were leased. The registered capital is 2 million yuan.

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