Qinhuangdao Qingqing Environmental Protection Equipment Co. Ltd. is a wholly-owned subsidiary of Beijing Hanjian Heshan Pipeline Co. Ltd.. Mainly air pollution control, noise control, sewage treatment as the main business. It is an integrated service operator that includes R&D design, construction and operation.

Founded in 2001, the company now has a registered capital of 60 million yuan. It is a state-level high-tech enterprise and a member of the National Environmental Protection Industry Association.

The company has independently innovated and developed anti-wind dust net technology, super high concentration glass furnace desulphurization special technology, micro-hole maze muffler technology, magnesium oxide desulphurization, calcium desulphurization, ammonia desulphurization, dry desulphurization, SNCR desulphurization denitrification, SCR denitrification and SNCR/SCR mixing method denitrification, dust removal technology And the latest research and development of wet electric dedusting technology, bundle dedusting technology, dedusting technology, sintering machine denitrification technology, active Coke integrated dedusting desulfurization denitrification technology.

The company has cooperated with steel design Institute and other professional technical institutions for many years. Research and development, innovation. The company's technology through many years of use and improvement, accumulated a variety of equipment atmospheric management experience. The company's various unique technologies in power generation, heating, mines, metallurgy, cement, glass and other industries have been widely used. The company's products are sold throughout the country and establish long-term and good business cooperation with large and medium enterprises across the country.