Electromagnetic Four-way Reversing Valve
Large-Capacity Cross-Type Electromagnetic Four Way Reversing Valve
Three-Way Defrosting Valve
A SERIES Electronic Expansion Valve
B Series Electronic Expansion Valve
P Series of Electronic Expansion Valves
N Series of Electronic Expansion Valves
FDF Series Straight-way Solenoid Valves
FDF-A Series Right-angle Solenoid Valve
FDF-M Series Dehumidification Solenoid Valve
FDF-O Series Oil Tube Solenoid Valve
DQA Series Uni-flow Filter Drier
DQB Series Bi-Flow Filter Driers
DT Series Re-Core Filter Driers
Stainless Steel Muffler
Copper Steel Muffler
Inclined Hole Brass Distributor
Straight Hole Brass Distributor
DunAn Environment Awarded Bosch Preferred HC Innovation Partner Certification.
We are proud to announce that Dunan Environment has received the Preferred HC Innovation Partner certification from Bosch Home Comfort Group, at the Bosch HC Partner Innovation Days 2026 held in Renningen, Germany. The honor was presented jointly by Birte Lübbert, Chief Operating Officer of Bosch, and Robert Dzemski, Senior Vice President of Supply Chain.
As a long-term global strategic partner of Bosch, we are deeply integrated into Bosch’s global supply chain, delivering customized core fluid control and heat exchange components for its heat pump, residential and light commercial HVAC product lines.
Moving forward, we will continue to advance core technology R&D, follow the global low-carbon energy transition trend, and work with global partners to drive greener, smarter home comfort solutions for users worldwide.




Add: Jiefang Road 288, Diankou Industrial Area,
Zhuji City, Zhejiang Province, China
Postal Code: 310052
Switchboard: +86-(0)575-87655888
Email: dunanhj@dunan.cn
Add: 7/278 Moo 6, Mabyangporn, Pluakdaeng,
Rayong 21140 Thailand
Tel: 038-650746
©Zhejiang DunAn Artificial Environment Co., Ltd.
