Shijiazhuang, Hebei. According to the query on the official website of Hongdou brand electric blanket, Hongdou brand electric blanket is a registered brand of Shijiazhuang Maoxiang Electric Co., Ltd. It is one of the electric blanket production bases in my country and a very powerful electric blanket manufacturer in my country. Its address is located in Chengdu, Xinle City. No. 3, No. 2 Middle South Road, Muyunpu Village, Anzhen. The Hongdou brand electric blanket mainly produced by the company has a national registered trademark and a CQC safety certificate issued by the China Quality Certification Center.