北京市顺义县有池塘养鱼水面2.8万多亩,其中50～2200亩规模的商品鱼基地有204个。由于近年来重视池塘养鱼机械化,鱼产量有了较大的提高,至1990年底,拥有池塘养鱼机械数千台(套).其中深井泵站410眼,水泵1165台,增氧机2465台,鱼用饲料机188台,投饲机47台以及发电机组等若干台(套),汽车91辆,拖拉机67辆.由于渔业机械配套齐全,促进了池塘养鱼的发展,年产塘鱼1070万公斤。成为我国“三北”地区第一个年产淡水鱼超万吨的县。顾义县现有两家专业生产淡水养殖机械的渔业机械厂,地处大孙各庄乡的“北方渔业机械厂”成 Shunyi County, Beijing pond fish ponds more than 28,000 mu, of which 50 to 2,200 acres of fish base size 204. Due to the emphasis on pond fish farming mechanization in recent years, fish production has been greatly improved, and by the end of 1990, there were thousands of pond fish machinery (sets), including 410 deep-well pumping stations, 1165 water pumps and 2465 aerators , 188 fish feeding machines, 47 feeding machines and a number of generators (sets), 91 cars and 67 tractors. Since the fishery machinery is fully furnished, it has promoted the development of fish culture in the pond. With an annual output of 1070 Million kilograms. Become China’s “Three Norths” region with an annual output of 10,000 tons of freshwater fish counties. Guyi County, the existing two specializing in the production of freshwater aquaculture machinery Fisheries Machinery Factory, located in the Grand Sun Chuangxiang “North Fishery Machinery Factory” into