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.

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Download Zenko catalogs and technical documents for copper tubes, terminals and OEM metal components with full specifications and certifications.

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