Shanghai GSD Industrial Co., Ltd., a subsidiary of Chuanyuan Co., Ltd., founded in Taiwan in 1975. Thanks to the simultaneous efforts of all staff members, GSD has got ISO9001 certification. Our company manufactures and sells pumps and waste-water treatment facilities for industrial, agricultural irrigation, watering-handling, house-building and environmental use. We have more than 30 years of experience in the field. GSD pumps have got the titles of "Excellence Products". GSD pumps include a lot of different models and can transfer liquids with high efficiency over a wide range of...