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Yifan Biotechnology Group Co., Ltd. was founded in 1992. It is an enterprise specializing in scientific research, development, production and sales of chemical pesticides. It is a designated enterprise for pesticide production by the former Ministry of Chemical Industry, a key pesticide production enterprise in Zhejiang Province, and a national high-tech enterprise.

Yifan Seiko is a fishing gear brand owned by Ningbo Yifan Fishing Gear Co., Ltd., specializing in the production of fishing platforms, fishing boxes, fishing chairs, brackets, fish guards, and various auxiliary products such as stainless steel, aluminum alloy, and plastic. There are dozens of varieties of fishing gear.