Changzhou A.O. Jack Group Technology Co., Ltd is a leading manufacturer with the research and application of solar thermal products, which is specialized in solar water heaters, solar collectors, split water tanks. We have passed the certification of ISO9001:2008 international quality management system. Our products have been exported to over 80 conturies, like Italy, Spain, Germany, UK, New Zealand, Austalia, South Africa, Kenya, Indonesia, Thailand...