Liuzhou Kefeng Auto Electrical Co., Ltd. Address: Room 2, 1st Floor, Building 14, Longling Auto Electronics Industrial Park, No. 67 Motai Road, Liunan District, Liuzhou City, Guangxi Province. Technical support: Benying Interconnect. National free hotline: 400-6000-208. Mobile phone: 13481128444. Contact person: Mr. Zhu.