Jiangsu YONGSHENG Air Conditioners Co., Ltd. is a mordern large enterprise, which integrates technology, industry and trade, it is a professional enterprise that provides central A/C, refrigeration plant, electric equipment and electronics, as engineering design&installation service, YONGSHENG takes an area of over 100, 000m2 with an asset of more than 100 millions and empolyee of more than 500 persons, 70% of which are graduated from colleges or universities. YONGSHENG is a designated enterprise of military air conditioners, a Jiangsu hi-tech enterprise, an advanced management enterprise of Jiangsu province, a Jiangsu contract honoring enterprise, a key enterprise of machinery industry and a national torch project enterprise. Is a earuest enterprise for manufacturing marine air conditioner, refrigenation plant.