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Highlighted Companies

Three High Solar Vacuum Tube - China

price: contact company for price

Why choose us:

A: 18 years experience in solar vacuum tube

B: First quality, Promptly delivery, Customer first

C: Competitive price & Free sample for test

Guangpu , established in 1995, is a leading professional manufacturer of solar thermal products , especially in sollar vacuum tube. We are one of the drafters of the national standard of “All-glass heat pipe- evacuated solar collector tubes" for the National Standardization Committee. In 18-year development, we have possessed advanced technology and superior equipments for quality, schedule and cost control. We have annual production capacity over 10 million of various high-quality all-glass evacuated solar collector tubes.We have been continuously supplying solar products with best quality to well-known solar thermal companies both in China and other counties across the world. With 18 years experience and professional knowledge , we are glad to help your team succeed through our cooperation.

Three-Target solar vacuum tube

Three-target magnetron sputtering

solar vacuum tube

Tube glass


High borosilicate 3.3 glass &=1.6mm

Thermal expansion coefficient




Outer tube diameter & thickness

Ø=47±0.7mm &=1.6mm

Ø=58±0.7mm &=1.6mm

Inner tube diameter & thickness

Ø=37±0.7mm &=1.6mm

Tube length


1500/1600/1800/2000/2100m m

Vacuum degree


Selective absorber


Absorption ratio

Emission ratio

ε=0.04~0.06 (80°C±5°C)

Maximum stagnation temperature


Solar irradiation for stagnation



Average heat loss coefficient


Mechanical shock resistance

Withstand the vertical impact of a steel ball with 30mm in diameter free falling

from the height of 450mm

Company Contact:

  • Phone: 0632-5665199


  • Email: Email

Published date: April 25, 2013 -

  • Business Description: China SHANDONG GUANGPU SOLAR ENERGY PROJECT CO., LTD. of Tengzhou,

    Shandong is a private high tech enterprise specializing in research and

    development, manufacture, and marketing of the products of utilization

    of solar energy. At present, the company is awarded many titles such as

    Executive Director Unit of China Solar Thermal Utilization Industry

    Alliance, Member Unit of China's Rural Energy Industry Association, the

    Fourth, Fifth, Sixth Shandong Province Consumer Satisfaction Unit, one

    of the China Top 100 Enterprises in Solar Thermal Utilization. The

    advanced private enterpriser Mr. Min Qingxi, chairman and general

    manager, is the first person to develop and utilize solar energy in the

    region of south of Shandong province, the executive director of China

    Solar Thermal Utilization Committee, and one of drafters of the national

    standard of" All glass heat pipe evacuated solar collector tubes" for

    the National Standardization Committee.

    At the same time, the company possesses the strong capital and technical strength, more than 40 production lines of all glass evacuated heat pipe with coating, advanced technology and superior equipments, high automation degree , and the production capacity of annual output of 10 million of various high quality all glass evacuated solar collector tubes and 60 thousand units of solar water heaters. Also, the company can undertake, design, and install large and medium sized solar energy hot water projects, and has the perfect quality testing facilities and after sales service system.

    Adhering to the management concept of people oriented, establishing business on quality, boosting the enterprise through science and technology", the company has introduced the advanced management style, while pursuing a high starting point and creating zero defection, to attach importance to building a dominant brand. Now, the company has fully passed the ISO9001: 2008 international quality management system certification, and has a favorable corporate image.

    The company has acquired a number of high tech patents with independent intellectual property rights, such as "All glass heat pipe vacuum tube solar tubes", which has filled up the gaps at home and abroad. And the company was awarded many titles such as "Patent Outstanding Award of Shandong Province", "Shandong Province Science and Technology Innovation Award", and " Reliable Supporting Products "approved by the Chinese Solar Energy Industry Association. At present, the products are in short supply, and some products have been sold abroad, and reach out to the world.

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