Shanghai Extra Machinery Co.,Ltd. was established in 2002. It is a joint venture of the Italian ADA Group and Shanghai Minwang Agriculture and Animal Husbandry Technology Co., Ltd. in Shanghai to produce agricultural and animal husbandry machinery.

The company's purpose is to combine advanced European and American professional agricultural and animal husbandry machinery manufacturing experience with the needs of the Chinese market to provide agricultural and animal husbandry companies with a full range of aquaculture production system solutions such as pasture design, equipment production, equipment installation and equipment use training.