Inquiry (采购产品): Hollow rubber balls Dear Sir/Madam, We are a mechanical engineering company and we are writting to you in order to ask for some information about your products. We would like to know if is posible to make a hollow rubber ball (10-15mm diameter) and which would be the thickness of the wall. Thank you for your time. We are waiting or your answer. Yours faithfully, Adrián Teso **** Hidden Message ***** Adrian Teso 01510 Company: Análisis y Simulación, S.L. E-mail: proyectos@ppd-sl.com **** Hidden Message ***** proyectos@ppd-sl.com