5 brands. Zhejiang Yusen Bailian Tools Co., Ltd. is located in Yongkang, China, focusing on the production and development of high-quality home gardening tools, cordless lawn mowers, gasoline lawn mowers, lawn mowers, hedge shears, gasoline saws, and brand-name chain saws. According to relevant information, there are 5 brands of Yusen chain saws. Quanfeng chainsaw is manufactured by Zhejiang Yusen Hundred Tools Co., Ltd. It has many brands including Shilin Potential Matsuda. Among them, Quanfeng Matsuda is the potential brand.