IPB 2020
Venue ：International Powder & Bulk Solids Processing Conference & Exhibition. IPB is the largest and most specialized international trade fair in the whole field of powder, granule and bulk solids technology in Chinatrade show standbuilder in shanghai china，邮件 Email 331205481@QQ.COM 微信 whatsapp +8615221004455 上海展台搭建，上海展会设计，上海展台搭建，上海展览设计，上海展台搭建
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