Hunan Dingguan Industry and Trade 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.
Purification CNC Oil Mist Catcher Industrial Smoke Purifier Oil Fume Purifier Industrial Oil Mist Collector$229
CO2 Laser Machine Smoke air Filter Smoke Evacuator air Purifier Laser Cutter Fume Extractor$46
Fume Extractor Collector Cnc Oil Mist Industrial air Cleaner Filter Used for Printer Dtf Smoke Purifier$229
2025 DTF Printer Remove Oil Mist Smoke Absorber Air Cleaning Equipment Dtf Fume Extractor$46
fahu fresh air handling unit cfm price fau fresh air unit fresh air handling units$2920
Single Duct VAV Box with Automatic and Motorized Dampers, HVAC Supplies$319
Fresh Clean air in Large Houses Vmc Heat Recovery HVAC Motors Hospitals Schools Home Ventilation Systems$502
500m3/h Hvac System Erv Hrv Recuperation Unit air Energy Recovery Ventilation System$680
Electrostatic Mist Collector CNC Machine of Electrostatic Mist Collector$699
Ding Han 200-2000m3/h HVAC Mechanical Variable air Volume Unit Vav Box Room Ventilation Box$161
High-efficiency oil mist separation DTF smoke purifier factory direct sale price concessions$239
99% Collection Precision Large Air Volume New Design Electrostatic Oil Mist Filter Pure Oil Cutting Waste Air Cleaning Equipment$699
Changsha Dongguan Packaging Products Co., Ltd.
🇨🇳 China
20215-10 peopleTrading CompanyOEM manufacturer
Key market
North America
Review
4.9
Description
Changsha Dongguan Packaging Products Co., Ltd. is a professional supplier of flexible packaging solutions based in Changsha, China. Established in 2021, the company specializes in a diverse range of packaging products, including child-resistant bags, smell-proof bags, aluminum foil food bags, coffee bags, and kraft paper bags. In addition to its core packaging offerings such as vacuum and pet food bags, the company also provides customized bags and shoe accessories like shoe charms. Operating as a trading company with an annual revenue between US$5 million and US$10 million, the organization maintains a focused team of 5 to 10 professionals dedicated to serving international market needs.
Wholesale New Custom Design Rubber PVC Black Girl Magic Shoes Charms Accessories Black Lives Matter Charms for Clogs Shoes Bulk$0.13
Korean Style Portable Anti-Oxidation Jewelry Box Compact Ring Earring Necklace Storage Travel Accessories for Women for Beverage$4
New 3.5g Candy Packaging Box with Stand up Pouch PE Plastic Soft Hardness for Chocolates and Sugars$0.2
Portable Cedar Wood Humidor New 3-Pack Cigar Box with Leather Case for Beverages or Cigarettes$8
Industrial Expert's Ice-Sense Sun Protection Socks Frosted Hazy Intimate Clothing Packaging Bag Factory Direct Sale$0.08
Handmade Solid Cedar Wood Rectangle Shape Cigar Box for Cigarette Chocolate Candle Storage Laser Engraved Printing Wooden$10
Biodegradable Cross-border Custom Envelope Eco-recyclable Thickened Inner Cushion Kraft Paper Honeycomb Paper Express Bag$0.35
Custom Shoe Charm 2024 New Trend Clog Charm Soft PVC Customized Decorations Cat Shoe Charms$0.04
Wholesale PVC Cartoon Shoe Accessory Clog Charms Custom Designer for Hole Shoe$0.11
Women's High-End Clothing Store Packaging Bags Custom Logo Black Frosted Shopping Bags PP Wholesale Handbags$0.4
Novelty Cute Charms Accessories Diamond Shoe Buckle Decoration Medical Stethoscope Pills Syringe$0.12
32 Pieces Carton +bag High Quality Stock Available Vertical Polyester Bag Suitable for Strawberry Flavor Candy Packaging Zipper$0.05
