Keywords: Centrifugal casting of concrete pipes - 09.jpg en Open-air factory that produces concrete pipe made by centrifugal casting in Dingcheng Hainan China 2016-01-02 13 16 41 own Anna Frodesiak other versions cc-zero Centrifugal casting Files by User Anna Frodesiak Dingcheng Commerce and industry in Hainan Uploaded with UploadWizard |