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.