Question 1

What products does Zenko supply?

Accepted Answer

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

Question 2

What industries use your copper tube products?

Accepted Answer

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.

Question 3

Are your products certified?

Accepted Answer

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.

Question 4

What is the lead time for bulk orders?

Accepted Answer

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.

Question 5

How can I request a quote?

Accepted Answer

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

Industry News

Precision Capillary Tubes for Medical, Analytical, and Micro-Fluidic Applications

Ultimate Guide to Red Copper Capillary Tubes: Applications, Standards & Selection

Precision Metal Terminals Portfolio for Automotive and Electronics Sectors