Shandong Guangpu Solar Energy Project Co., Ltd. is one of the largest solar vacuum tube producers in China. We have 500 employees. Our company has advanced automatic production equipment, with an annual production capability of 10 million solar vacuum collector tubes. We comply with ISO9001:2008 standard. Based on more than 15 years&＃039; dedication to the solar industry, our solar vacuum collector tubes have been awarded as "reliable products" in China. At present, we cooperate with more than 300 outstanding domestic solar energy enterprises. Our products are mainly exported to Europe, India, Japan, Mexico, Turkey, and other countries and regions. Please feel free to contact us for further information.