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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: Yaoguo
  • Model Number: 47*1500mm,58*1500mm,58*1800mm
  • Type: Vacuum Solar Collector
  • Application: Water Heater
  • Pipe Material: Glass
  • certificate: CE,CCC,ISO9001
  • material: borosilicate glass3.3
  • diameter: 47/58mm
  • thickness: 1.6mm
  • length: 180/1900/2000/2100
  • color: black/blue/gold/purple
  • coating: CU/SS-ALN/ALN
  • absorption ratio: 93%~96%
  • vacuum degree: <5.0*10-3Pa
  • average heat loss: 4%~6%

Packaging & Delivery

Packaging Details as customer's requirements
Delivery Time 7 days after receiving the deposit

low price solar evacuated tube for Mexico


Product Description

 Technology data

Technical Data

All-glass evacuated solar collector tubes


Borosilicate Glass 3.3


Stones (Ø≤1mm) ≤1 piece in area of 10mm×10mm; Stones(1.0mm≤Ø≤1.5mm) ≤ 2 pieces in the whole tube.


Knots(Ø≤1mm) ≤2 pieces in area of 10mm×10mm; Knots(Ø≤2.5mm) ≤ 5

pieces in the whole tube

Absorptance of Selective Coating

≥0.92 (AM1.5)

Emission of Selective Coating

≤0.065 (80°C±5°C)





Solar heat pipe Techinical Specifications




Measured value

Heat conduction coefficient


Axial heat transition auantity


Heat conduction speed


Axial temperature difference


Starting temperature


Starting speed




Working temperature range


Resistance to high temperature

No deformation in 48hours under 250C high temp condition

Resistance to low temperature



15 years



Structure of Solar Collector Tube


1.inside tubes ,2.selective coating,3.vacuum jacket,4.outside tubes,5.supporter,6.getter,7.mirror

test of mechanical shock resistance

(website on YOUTUBE:https://www.youtube.com/watch?v=YxVYv6xuo7o)

solar vacuum tube

Packaging & Shipping


Loading Quantity


Quantity each carton



Ø 47*1500mm




Ø 47*1800mm




Ø 58*1800mm








Our Advantages


The reason using our solar vacuum tube is:

Ø Over 10 years production experiences
ØProduction chain from glass tube to solar vacuum tube which could ensure the stability of tubes.
Ø8 years export experiences
ØGlobal network
ØFast delivery (production time: 5 containers within 7 days; 10 containers within 10 days.
Our Services




Company Information

 Shandong Yaoguo Solar Science And Technology Co., Ltd is a professional solar vacuum tube product supplier integrating the research, manufacture and marketing. 

In recent years, our products have been well received by customers and won a high reputation worldwide. With a focus on the continual improvement of products, management and service, our company are strongly committed to our unique mission of providing effective solutions for friends all over the world.






 1- Your are manufacturer or trading?

    we are manufacturer.

2- What is your Guarantee Time? 

   5 years.

   5 years quality guarantee, at least 15 years lifespan. 

3- Can you accept OEM ? 


4,Do you offer free charges tube?

   Yes,we offer free charges tube each containers.

5-How do you gurantee the quality?

   Whole production line,Production chain from glass tube to solar vacuum tube which could ensure the stability of tubes.

   And test before shipment.


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Transaction Value
Transaction Date
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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 200+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $30,000
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