Changzhou Runsun Energy Technology Co., Ltd. is a professional high-tech manufacturer and trading company established in 2008 and headquartered in Changzhou, China. Specializing in the research, development, and production of renewable energy solutions, the company focuses primarily on solar thermal technology. Its extensive product portfolio includes non-pressurized and pressurized vacuum tube solar water heaters, heat pipe solar collectors, flat plate solar collectors, and central solar water heating systems. Beyond solar thermal products, the company also offers solar controllers, solar tanks, wind turbines, and solar air conditioning units.
Operating from a factory facility of up to 3,000 square meters, the company employs between 101 and 200 personnel, including a dedicated R&D team of 11 to 50 specialists. Changzhou Runsun Energy Technology is equipped with advanced manufacturing infrastructure, including specialized welding and foaming equipment, alongside sophisticated testing devices to ensure product reliability. The company provides OEM services and maintains strict quality standards, holding ISO 9001:2000 and CE certifications.
With a strong focus on international trade, approximately 60% to 70% of its business is dedicated to export markets. The company serves a global clientele across North America, Europe, and Asia-Pacific, including the United States, Canada, France, South Korea, and Australia. By integrating modern enterprise systems with powerful R&D capabilities, the company continues to innovate in the field of energy-saving and environmentally friendly solar technologies.
Super-Conductive Heat Pipe Solar Collector$120
2011 New Solar Water Heater
2011 New Integrated Solar Water Heater
Compact Pre-Heated Solar Water Heater
Low Pressurized Solar Water Heater (Project)
New Style Solar Water Heater
New Style Solar Water Heater
New Style Solar Collector
Pressurized Heat Pipe Solar Water Heater (RPB)
Integrated Pressurized Solar Water Heater (RPA)
Solar Water Heater - Non-Pressurized Type With Vacuum Tube
Integrated Non-Pressurized Solar Water Heater
Ningbo Grosun New Energy Technology Co., Ltd.
🇨🇳 China
2004101-200 peopleManufacturer/Service Company
Established brand
OEM manufacturer
Product customization
High-tech enterprise
Key customer
Q CELLS
Key market
North America
Description
Ningbo Grosun New Energy Technology Co., Ltd. is a comprehensive high-tech enterprise and manufacturer specializing in the solar photovoltaic industry. Established in 2004 and based in Ningbo, China, the company has evolved from a silicon business into a vertically integrated solar solution provider. Grosun operates as an OEM and contract manufacturer with a significant production capacity, utilizing fully automatic production lines and German-imported machinery to deliver high-efficiency monocrystalline and polycrystalline solar panels, ranging from 5W to 500W. Their extensive product portfolio includes solar power systems, grid-tie and off-grid inverters, MPPT solar charge controllers, energy storage batteries, and aluminum mounting structures.