About Us
Duling Profile
Since its establishment in 2002, Duling has been committed to R&D and manufacturing reliable and high- quality standard automation components, offering innovative solutions and products, which can be perfectly equipped with complete machine and refrigeration system to meet all kinds of customers requirement. In air compressor, HVAC, refrigeration, automotive, food and beverage processing, household appliance, ultra-low temperature area, Duling can always provide clients with accurate and dependable pressure control devices.




We devote to developing and manufacturing automatic controllers in Changzhou factory. Major product category includes FDF solenoid valves, pressure actuated water regulating valves,refrigeration solenoid valves, Wine Valves,magnetic check valves, pressure controllers, pressure controllers, pressure switches, flow switches, etc.
Except a whole range of standard products, Duling can also offer specific customized solutions, especially design to meet particular actual requirements.
With huge investments in R&D, experienced technical team, well trained operators, strict quality control and elaborate innovation design, we will provide customers with products of reliable quality and excellent performance at a reasonable and competitive price.
The successful and lasting presence in North America, Europe, Asia, Australia and South America; the famous TUV, UL, CQC, ROHS certification and many other specific product approvals prove Duling is a qualified international manufacturer with the ability to adapt to a variety of technical requirements.
We will continue insisting the basic principle of " Lean Management,Innovative Product and Social Satisfaction" to provide our customers with first-class products and services.
Duling Profile
Since its establishment in 2002, Duling has been committed to R&D and manufacturing reliable and high- quality standard automation components, offering innovative solutions and products, which can be perfectly equipped with complete machine and refrigeration system to meet all kinds of customers requirement. In air compressor, HVAC, refrigeration, automotive, food and beverage processing, household appliance, ultra-low temperature area, Duling can always provide clients with accurate and dependable pressure control devices.
We devote to developing and manufacturing automatic controllers in Changzhou factory. Major product category includes FDF solenoid valves, pressure actuated water regulating valves, magnetic check valves, pressure controllers, pressure controllers, pressure switches,refrigeration solenoid valves, Wine Valves,flow switches, etc.
Except a whole range of standard products, Duling can also offer specific customized solutions, especially design to meet particular actual requirements.
With huge investments in R&D, experienced technical team, well trained operators, strict quality control and elaborate innovation design, we will provide customers with products of reliable quality and excellent performance at a reasonable and competitive price.
The successful and lasting presence in North America, Europe, Asia, Australia and South America; the famous TUV, UL, CQC, ROHS certification and many other specific product approvals prove Duling is a qualified international manufacturer with the ability to adapt to a variety of technical requirements.
We will continue insisting the basic principle of " Lean Management,Innovative Product and Social Satisfaction" to provide our customers with first-class products and services.








