Millionsun black flat plate collectors are manufactured according to European quality standards. By introducing black Chrome coating layer and applying ultrasonic welding technology, our products, with stable quality and solar keymark certificate, have been sold in batches to European markets. Featuring optimal and reasonable structures, fine appearance and easy installation, our products are well combined with buildings and applicable to household and scaled systems. Millionsun solar flat plate collector can be used in both closed and open circulation systems.The collector is designed to connect to multiple collectors easily, to make up a large collector field, it also can be used in different solar system.