Shuangsheng plastic plant is located at ningbo yinzhou center zone,covering an area of 6,000 square meters.since the establishment,the company has endeavored to meet the customers'satisfaction with advanced technology,high-efficient manufacturing and perfect quality guarantee.the self-designed ss series and ssf series medium and small plastic machines that see high energy-saving,reliability and safety as well as high automatic degree are quite applicable for the injection and molding of spare