What products does Zenko supply?

Zenko supplies connection terminal, red copper capillary tube, aluminum tube, red copper coil tube, aluminum crimping terminal and more.

What industries use your copper tube products?

Our copper tubes are widely used in air conditioning, refrigeration, HVAC systems, plumbing, heat exchangers, industrial equipment, and other applications requiring reliable heat transfer and fluid transportation.

Are your products certified?

Yes. Our production system is ISO 9001 certified, and products can be manufactured according to ASTM B152, ASTM B280, and other international standards. Inspection reports are available upon request.

What is the lead time for bulk orders?

Stock products are usually shipped within 3–7 days, while customized orders generally require 15–30 working days depending on project complexity and order volume.

How can I request a quote?

Send us your product specifications, quantity, application requirements, and drawings if available. Our team will provide a professional quotation within 24 hours.

Core Production Equipment

Company Profile Core Production Equipment Product Application Our Partner FAQ

Robust and advanced hardware capabilities form the foundation for stable high-quality products and efficient delivery. Our company is fully equipped with industry-leading automated precision manufacturing equipment, enabling complete in-house research, development, and production across all processes, strictly controlling both quality and delivery schedules:

· Tube Drawing Equipment: 25 high-precision specialized tube drawing units

· Tube Cutting Equipment: 60 high-speed precision CNC tube cutting machines

· Chamfering Equipment: 20 fully automatic precision chamfering machines

· Forming Equipment: 20 CNC precision cold forming machines

· Vacuum Annealing Furnaces: 2 large-scale industrial vacuum annealing furnaces

· Ultrasonic Cleaning Lines: 2 fully automated industrial ultrasonic precision cleaning lines

· CCD Vision Inspection Equipment: 5 units ensuring 100% compliance with high-requirement products

All equipment is paired with dedicated identification to match each device with its real-life image, comprehensively ensuring processing accuracy, production efficiency, and surface cleanliness at an industry-leading level. This fully meets customers’ demands for ultra-high precision, ultra-high cleanliness, and specialized process customization.