Product Catalogue
Contact Us
Qingdao Wisdom International Trading Co. Ltd.
Add: Room 2001, Azure Coast Century Mansion, Haikou Road No.257, Qingdao, China . 266061
Add: Room 2001, Azure Coast Century Mansion, Haikou Road No.257, Qingdao, China . 266061
Tel : +86-532-88971978
Fax: +86-532-88971978
Fax: +86-532-88971978
E-mail: wisdom@wisdomcorp.cn
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Insulated AL-CU tube
Introduction of Product & Factory
1. Factory brief
Our factory is the first & largest manufacturer of aluminum-copper pipe in China, has got 12 granted inventive patents, has the most granted patents in the field of copper-aluminum pipe connection and the sole inventive patented product obtaining large-scale application in copper-aluminum pipe welding product brands.
We are qualified supplier of world well-known enterprises, includes Carrier, Daikin, LG, Gree, Midea, etc.
2. Patent introduction
3. Key features of product
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No. |
Features |
What we do |
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1 |
Low leakage rate 6 ppm |
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2 |
Anti-corrosion |
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4. Specification
A. sizes of aluminum and copper tube
1/4", 3/8", 1/2", 5/8", 3/4"
B. Type of insulated tube
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Two-layer PE Insulted Tube |
Single-layer PE Insulated Tube |
NBR/PVC Black Tube |
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Invenstion Awards of Aluminum-copper Tube 