Precision Refrigeration Control Solutions
High-performance solenoid valves, expansion valves, hot gas bypass valves, and HVAC components engineered for reliability, efficiency, and durability in industrial and commercial refrigeration systems.
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High-performance solenoid valves, expansion valves, hot gas bypass valves, and HVAC components engineered for reliability, efficiency, and durability in industrial and commercial refrigeration systems.
A trusted leader in refrigeration control technology with decades of innovation, quality manufacturing, and global export experience.
Ningbo Sanheng Refrigeration Control Co., Ltd. is located in Fenghua High-tech Development Zone, Ningbo City, Zhejiang Province. After decades of development, we have evolved into a comprehensive enterprise integrating independent research and development, production, sales, and import & export trade.
Our professional refrigeration technology team brings rich practical experience to every product. We have mastered advanced filling technology and operate a self-developed special welding assembly line with unique testing equipment to ensure consistent quality and performance.
High-quality refrigeration control components designed for industrial chillers, central air conditioning, cold storage, and commercial refrigeration systems.
AC/DC powered solenoid valves in all sizes, including normally open types and improved SHF series for enhanced reliability.
View Details →Precision thermal expansion valves with customized sizing options for optimal refrigerant flow control.
View Details →Reliable hot gas bypass solutions for temperature regulation and system protection in refrigeration cycles.
View Details →
Enhanced durability and sealing performance for critical refrigeration applications.
Accepts customization for various refrigerants and system requirements.
Includes suction accumulator and vibration absorber for system stability.
Essential for heat pump and reversible HVAC systems.
Precise pressure control for refrigeration and industrial systems.
Visual refrigerant flow monitoring with moisture indicator.
Compact, high-efficiency compressor for small refrigeration units.
Reliable NO configuration for fail-safe refrigeration control.
ISO9001, CCC, CQC, and CE certified. Consistent performance and reliability.
Self-developed welding lines and testing equipment ensure precision manufacturing.
Accept customized sizes and OEM/ODM services for unique system requirements.
Serving customers worldwide with professional technical support and logistics.
Reliable valves for walk-in coolers, freezers, and large-scale refrigerated warehouses.
Precision control for HVAC systems in commercial buildings and industrial facilities.
Durable components designed for mobile refrigeration and transportation cooling.
We offer SHF Series Improved Solenoid Valves, SH Solenoid Valves, and Normally Open Solenoid Valves in both AC and DC models, available in all standard sizes.
Yes, we accept customized expansion valves for specific refrigerants, capacities, and connection types. Contact us with your requirements.
Yes, our company passed ISO9001:2000 in 2002. Our products have obtained CCC, CQC, and CE certifications.
Yes, we offer full OEM and ODM services including custom branding, packaging, and technical modifications.
Typical lead time is 15-30 days depending on order size and customization. Sample orders ship within 5-7 days.
For inquiries, quotes, or technical support, please contact us through the official website.
+86 139-6831-2661
+86 139-8935-2736
+86 138-5823-8761
+86 178-1593-3189
trade@nbsanheng.com
1677974290
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