Buy Quality Capillary Tubes for Precision Applications
Zenko, a professional manufacturer in China, specializes in precision capillary tube manufacturing for medical devices, analytical instruments, aerospace systems, and thermal management applications. Our production capabilities focus on ultra-tight tolerances, stable performance, and consistent quality for critical fluid control systems.
We work with stainless steel (304/316L), copper alloys, and custom engineered materials, selected based on corrosion resistance, thermal conductivity, biocompatibility, and mechanical strength. All raw materials are sourced from traceable suppliers to meet industrial and regulatory documentation requirements.
1. Precision Manufacturing Technology
Our capillary tubes are produced using advanced multi-pass cold drawing processes, enabling precise dimensional control while improving mechanical strength.
Cold drawing increases strength through work hardening
Intermediate annealing restores ductility for further reduction
Tight control of inner/outer diameter and wall thickness
Capable of ultra-fine tubing down to 0.1 mm inner diameter
Supports both straight and coiled tube formats
Surface finishing processes ensure smooth internal walls, supporting clean and stable fluid transfer in sensitive applications.
2. Applications in Thermal & Fluid Systems
ZEnko factory's quality capillary tubes play a critical role in refrigeration, HVAC, and micro-fluid control systems, where small dimensional variations significantly impact performance.
Used in refrigeration and air conditioning systems
Controls refrigerant flow and pressure regulation
Supports heat exchangers and compact thermal systems
Enables tight bending without kinking (especially copper tubes)
Copper capillary tubes are widely used for their high thermal conductivity and excellent formability, making them ideal for energy-efficient cooling systems.
3. Quality Control & Certification
Zenko implements strict inspection and validation at every production stage to ensure reliability in high-precision applications.
Hydrostatic pressure testing for structural integrity
Helium leak detection for vacuum and sealed systems
Laser-based dimensional inspection for accuracy verification
Statistical process control (SPC) for production consistency
Each batch includes full material traceability and certification documents, supporting ISO, ASTM, and medical industry compliance requirements.
4. Custom Engineering & Supply Chain Support
Zenko supports both standard and customized capillary tube production for specialized applications.
Custom inner diameters below 0.5 mm available
Special alloys including high-nickel and titanium options
Engineering support for material selection and specification design
OEM/ODM production for industrial and medical customers
We also provide:
Inventory programs and bulk supply solutions
Export documentation (COO, packing list, invoices)
Optimized logistics for global shipping efficiency
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Precision Thin-wall Red Copper Capillary
Buy quality precision thin-wall red copper capillary from a leading China maufacturer Zenko. It is crafted from high-purity red copper, delivering exceptional dimensional accuracy, uniform wall thickness, and stable thermal/electrical conductivity. It is ideal for microfluidics, medical instruments, and precision industrial applications requiring ultra-precise fluid or signal transmission.
Red Copper Capillary for Electrical Equipment
As a professional manufacturer in China, Zenko would like to provide you high-performance red copper capillary for electrical equipment, which features low resistivity and high thermal stability, making it ideal for electrical connectors, switchgear, and busbar applications. It ensures reliable current conduction, minimal energy loss, and consistent performance in high-voltage and low-voltage power systems.
Red Copper Capillary for New Energy Vehicles
Zenko factory's quality red copper capillary for new energy vehicles is engineered for battery thermal management systems, offering high thermal conductivity, pressure resistance, and vibration stability. It ensures efficient cooling and heating of EV power batteries, extending service life and enhancing safety in extreme conditions.
Red Copper Tube for Battery Cooling
Zenko factory's quality Red Copper Tube for Battery Cooling delivers efficient heat dissipation for lithium-ion batteries in EVs and energy storage systems. Featuring high thermal conductivity, corrosion resistance, and customizable profiles, it is the ideal choice for cooling plate applications in high-power battery packs.
Red Copper Capillary for Welding Equipment
The quality red copper capillary for welding equipment offered by Zenko, a professional manufacturer in China, serves as contact tips and liners in MIG/TIG welding torches, offering high thermal conductivity, wear resistance, and smooth wire feeding. It ensures stable arc performance and consistent weld quality in industrial welding applications.
Red Copper Capillary for Marine and Aerospace
Buy high-performance red copper capillary for marine and aerospace from Zenko factory in China. It meets strict industry standards, and offers high corrosion resistance, pressure stability, and lightweight design for hydraulic, pneumatic, and fluid control systems in ships, aircraft, and offshore facilities.
Red Copper Capillary for Heat Sink
Zenko factory's quality red copper capillary for heat sink provides efficient heat transfer in CPU coolers, LED heat sinks, and industrial cooling systems. Featuring high thermal conductivity, customizable profiles, and easy integration, it is the ideal solution for thermal management in electronic and industrial applications.
China professional manufacturer and supplier of high quality Capillary Tube. Zenko has its own factory, to provide customers comprehensive services. Look forward to you buy it!
