Hunan Lanheng Environmental Protection Technology Co., Ltd
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Hunan Dinghan Environmental Protection Technology Co., Ltd.
🇨🇳 China
201411-50 peopleTrading CompanyOEM manufacturer
Product customization
Patented technology
High-tech enterprise
Key market
North America
Review
5
Description
Hunan Dinghan Environmental Protection Technology Co., Ltd. is a National High-Tech Enterprise based in Changsha, China, specializing in the research, development, and manufacturing of advanced air purification and ventilation systems. Established in 2012, the company operates a 5,000-square-meter facility equipped with CNC punching, laser cutting, and bending machinery. They maintain a robust production capacity, including an annual output of 10,000 heat recovery systems and thousands of specialized units such as fume extractors, oil mist collectors, and VAV boxes.
The company's comprehensive product portfolio serves commercial and industrial sectors, featuring laser smoke absorbers, DTF fume extractors, electrostatic smoke eliminators, and HVAC control systems. Their solutions are widely utilized for air exchange, heat recovery, and the extraction of hazardous plumes in medical, cosmetic, and industrial laser applications. Holding multiple invention patents and CE certification, the company collaborates with academic institutions like Central South University to drive innovation in energy-saving and sustainable environmental technologies.
With a workforce of 11 to 50 professionals and annual revenues between US$1 million and US$2.5 million, Hunan Dinghan provides end-to-end services including R&D, custom manufacturing (OEM/ODM), installation, and after-sales support. Their commitment to quality is reflected in their rigorous finished product inspection processes and their status as a verified supplier in international trade markets.
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Guangzhou Lanhesu Environmental Protection Technology Co., Ltd.
🇨🇳 China
201551-100 peopleManufacturer/Trading Company/DistributorOwn brand
Low MOQ
Patented technology
OEM manufacturer
Shipments
4
Key customer
VALUETEK
Key market
North America
Review
5
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