http://pastport.jp/user/shotblastpro ja-JP QINGGONG SETH MACHINERY is a world-known producer of shot blasting machines with knowledge and experience for more than 40 years. 2020-02-26T18:59:12+0900 http://pastport.jp/user/shotblastpro/timeline/shotblastpro shotblastpro http://pastport.jp/user/shotblastpro/timeline/shotblastpro