Shandong Roltech Blower Co.,Ltd, a professional manufacturer of fan, is the wholly-owned subsidiary of Shandong Kaitai Group Co.,Ltd, which integrates technical research, development and production. Shandong Kaitai Group Co.,Ltd is located in Qingyang, Zouping County, Shandong Province. It occupies 600,000 square meters and is only 52km away from Jinan, the capital city of Shandong Province. With 17 sales branches across the country and 10 overseas branches, the company has established a multina