Founded in 1991, Tengkai has, for over three decades, remained steadfastly focused on the research, development, manufacturing, and innovation of copper parts for refrigeration and air conditioning systems.
Founded in
CNC lathes
Daily output of brass parts
Daily output of copper parts
Export Markets
Focused on small copper parts — customized solutions welcome.
Process: High temperature forging, Material: C3771, Thread: Metric or inch thread available, Features: Knock flat without cracking, High concentricity, Corrosion resistance, Good sealing
Process: Extruded copper rod + CNC finishing, Material: HPb59-1, Thread: SAE/BSP/NPT thread or Green joint, Features: Easy to weld, High concentricity, Corrosion resistance, Good sealing
Uses: A component in the refrigeration system that evenly distributes refrigerant. It is suitable for air conditioning and refrigeration, HVAC equipment, etc.,Process: high temperature forging / Material: H62/HPb59-1, Features: Compact structure, uniform shunt.
Process: High temperature forging / high speed spinning, Material: Copper, Features: Smooth appearance, compact structure, low leakage rate, easy to weld
Process: welding, ultrasonic cleaning, Composition: cap + washer + spool + valve joint + TP2 copper tube
Process: High temperature forging, Low temperature annealing, Material: C3771, Thread: Inch thread, Features: Compact, structure, convenient installation.
Process: High temperature forging, Material: C3771, Thread: Metric or inch thread available, Features: Knock flat without cracking, High concentricity, Corrosion resistance, Good sealing
Process: Extruded copper rod + CNC finishing, Material: HPb59-1, Thread: SAE/BSP/NPT thread or Green joint, Features: Easy to weld, High concentricity, Corrosion resistance, Good sealing
Uses: A component in the refrigeration system that evenly distributes refrigerant. It is suitable for air conditioning and refrigeration, HVAC equipment, etc.,Process: high temperature forging / Material: H62/HPb59-1, Features: Compact structure, uniform shunt.
Process: High temperature forging / high speed spinning, Material: Copper, Features: Smooth appearance, compact structure, low leakage rate, easy to weld
Process: welding, ultrasonic cleaning, Composition: cap + washer + spool + valve joint + TP2 copper tube
Process: High temperature forging, Low temperature annealing, Material: C3771, Thread: Inch thread, Features: Compact, structure, convenient installation.
With rapid response and forward-looking R&D, we serve as an agile and reliable extension of our customers' supply chains—and a trusted partner in co-building reliability for refrigeration systems.
High Quality, Competitive Pricing, Excellent Service
We have a robust technical R&D team capable of developing and manufacturing products based on customer-provided drawings or samples.
Our digitalized production line bridges the gap from "manufacturing" to "smart manufacturing," enabling us to deliver high-quality products at competitive prices.
Equipped with our own in-house testing laboratory and comprehensive inspection equipment, we ensure superior product quality—even at the same price point as competitors.
Our dedicated technical support team provides 24/7 service, ensuring seamless assistance before, during, and after your purchase.
