About Us

Providing energy-efficient, environmentally friendly equipment and integrated solutions.

Providing energy-efficient, environmentally friendly equipment and integrated solutions.

Changzhou Dinglong Environmental Protection Equipment Co., Ltd.

Changzhou Dinglong Environmental Protection Equipment Co., Ltd. is a large-scale machinery manufacturer specializing in the design, development, and production of equipment such as can lid coil coating lines, color-coated steel appliance panel coil coating lines, tinplate printing lines and associated auxiliary equipment, two-piece can manufacturing equipment, fiberglass separator drying lines, exhaust gas incinerators, tinplate printing and baking chambers, and hot-air furnaces.

Our company’s product portfolio comprises four major series—metal coil coating production lines, baking ovens, exhaust gas incinerators, and hot-air furnaces—covering more than 30 models. 

These products are widely used in industries such as tinplate can manufacturing, chemicals, building materials, automotive manufacturing, agricultural and sideline product processing, water treatment, and home appliances. Dinglong’s products are characterized by rational design, mature technology, a high degree of automation, ease of operation, reliable performance, energy efficiency and environmental protection, and excellent cost-effectiveness. All products delivered to our customers have successfully passed inspections conducted by local environmental protection authorities.

 

The company has obtained certification under the three major management systems—environmental management, occupational health and safety, and quality—and was consecutively recognized as a “Jiangsu Provincial High-Tech Enterprise” four times in 2016, 2019, and 2022 (certificate numbers: GR201332000219, GR201632003450, GR202232001000). In addition, the company has been repeatedly honored as a “Contract-Abiding and Credit-Respecting Enterprise” by the Changzhou Municipal Government.

Major honors and achievements include:

  • In 2014, the “Coating Heating System R&D Center” was recognized as a Wujin District-level Engineering Technology Research Center.
  • In 2016, the “high-temperature flue-gas incinerator” was recognized as Changzhou’s first major piece of equipment and key component.
  • In 2016, the “Applied Research on Continuous Production Exhaust Gas Concentration and Treatment System for Coating” was awarded the Third Prize for Science and Technology by the China Packaging Federation.
  • In 2024, the company was awarded the Jiangsu Province Specialized, Refined, Distinctive, and Innovative SME Certificate.

In recent years, the company has cumulatively achieved 48 scientific and technological breakthroughs, including 6 nationally authorized invention patents and 42 utility model patents, with three of these achievements successfully commercialized as high-tech products.

For many years, Dinglong has consistently regarded corporate credibility and product quality as its core principles, dedicating itself to providing high-quality products and comprehensive system solutions to customers both domestically and internationally. The company’s products are distributed throughout China and are exported to more than 20 countries and regions in Europe, Africa, the Americas, the Middle East, and Southeast Asia.

Looking ahead, the company will continue to uphold its corporate ethos of diligence, pragmatism, innovation, and enterprise, adhere to the service philosophy that “customer satisfaction is our enduring pursuit,” constantly enhance its technological capabilities and product quality, and consistently create greater value for our customers.

1995 plus

Company Establishment

30000 plus

Land area

300 plus

Company employees

45 item

Scientific and Technological Achievements

Corporate Culture

Over the years, Dinglong has built its reputation on corporate integrity and product quality, consistently delivering superior products to customers both domestically and internationally.

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Corporate Philosophy

“Integrity as the Foundation, Innovative Development”

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Corporate Spirit

"Diligence, pragmatism, innovation, and enterprise"

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Service Mission

Customer satisfaction is our eternal pursuit.

企业文化
企业文化
企业文化
企业文化

Honor Qualifications

The company currently holds 27 patents, including 3 invention patents and 24 utility model patents. It operates a district-level engineering center for coating and heating systems and is recognized as a high-tech enterprise in Jiangsu Province.

High-tech Enterprise Certificate

High-tech Enterprise Certificate

2024 Jiangsu Province Specialized, Sophisticated, and Novel Small and Medium-Sized Enterprises

2024 Jiangsu Province Specialized, Sophisticated, and Novel Small and Medium-Sized Enterprises

Environmental Management System Certification Certificate

Environmental Management System Certification Certificate

Occupational Health Management System Certification Certificate

Occupational Health Management System Certification Certificate

Quality Management System Certification Certificate

Quality Management System Certification Certificate

Patent Certificate

Patent Certificate

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