specificatins

Outer tube diameter  58±0.7mm                                   

 Outer tube thickness: 1.6mm                                       

 Inner tube thickness: 1.6mm                                         

Tubes length  1818±5mm                                               

 Material: borosilicate glass 3.3                                       

  Material of coating: AIN/AIN-SS/Cu                             

Absorbing Coefficent: 90%-91%                                    

 Emission Coefficent: 3%-5%                                         

 Stagnation temperature:  230℃-250℃

Founded in 2006 , Haining Chaoda Solar Collector Tubes Co.,Ltd is professional supplier for all kinds of solar water heater products .

We supply good price and high quality solar water heaters ,solar collectors ,solar vacuum tube ,solar water tank ,solar bracket ,solar PV panel ,solar air conditioner ,solar hot water project and other related accessory and fittings .

we has been in international solar bussiness for more than 10 years , exporting to Europe ,Canada , USA , Middle east ,Mexico , New zealand ,Iran ,South Africa and so on .

Our company has CE ,solar key mark ,ISO9001 certificates . We are honest to be your best supplier.

Sorry,you have to pay it first,but we'll cut the costs in your next order. 

2-Can you accept OED/ODM?

Yes,we can print the logo on the product and package if you need,it is free for containers. 

3-What is your GUARANTEE TIME?

5 years for complete system,1 year for accessories. 

4-What is your PAYMENT TERM?

T/T,L/C at sight,Western Uion.(LCL order: 100% T/T in advance, FCL: 30% T/T in advance, balance against copy of B/L)

5-Do you have other ADDITIONAL SERVICE?

YES. We provide free spares according to your oder,such as vacuum tubes,tube holders,dust rings,seal rings,screws etc.Also,we can provid logo design.

6-What is your after-selling service?

Tech support:we will provide all the tech support ,including the instal manual the advatisment, the repairments and selling.Refunding and exchanging: we will provide the free refund and exchange for the broken products in the warranty.but we will make some evaluation before we make the complement. Anual visit: we will make a viist to our client to have a local vist ans meeting to make our business better