Inquiry (采购产品): Hollow Polypropylene Balls/Spheres Dears Sir/Madam, I am a research student interested in polypropylene spheres in the following categories of internal radius (r) and External radius (R): 1. 5mm;10mm : 1000 pieces 2. 6mm;10mm : 1000 pieces 3. 8mm;10mm : 1000 pieces A quote with relevant material properties specifications will be appreciated. **** Hidden Message ***** Festus Maina 4001 Company: Durban University of Technology, RSA E-mail: fmaish@yahoo.co.uk **** Hidden Message ***** fmaish@yahoo.co.uk