51 visiting now: 18 USA USA flag 17 China China flag 11 France France flag 2 Sweden Sweden flag 1 Canada Canada flag 1 Vietnam Vietnam flag 1 Russia Russia flag

Highlighted Companies

  • Suzhou Rico Machinery Co., Ltd (China): RICO, a professional CNC machinery company, who integrated research, development and... http://www.ricocnc.com
  • A Hay & Grain Co Inc (USA): involved in international trade import export. At Anderson Hay we offer a wide variety of feed... http://www.anderson-hay.com/

  • 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



    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.

    Related listings

    • Corrugated Sheet Roofing Corrugations
      Corrugated Sheet Roofing Corrugations
      General Environment - Qingdao KRS Perfect Roof Co., Ltd. - China - April 20, 2016 - contact company for price

      Corrugated sheet roofing material is widely available and easy to use. Corrugations should run in a straight line between the highest and lowest points, and at a right angle to the purlins ( the intermediate supports) . The overlaps ( ends and sides)...

    • Pre Packed Screen
      Pre Packed Screen
      General Environment - Henan Tianzhiwo Machinery Co,. Ltd - China - April 15, 2016 - contact company for price

      Pre- packed screen used as stand- alone screen Pre- packed screen provide excellence service of sand control in oil, gas and water wells for its unique construction. Pre- packed screen is a modification of pipe- based wire wrapped screen. Its additio...

    • V Wire Johnson Water Well Screen
      V Wire Johnson Water Well Screen
      General Environment - Henan Tianzhiwo Machinery Co,. Ltd - China - April 13, 2016 - contact company for price

      Characteristics: 1. Wedge wire screen is made up of rods and profile wire. 2. The rod can be round wire, triangular wire or trapezoid wire 3. The profile wire is triangular wire ( V- shaped wire) . Wedge wire screen has a structure and high open area...

    Safe Trade Tips

    • Ask for business references and check them
    • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
    • Verify their business via their local Chamber of Commerce
    • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
    • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
    • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"