Alumina balls samples request received from USA.

Can you provide cost and timing to provide the following alumina balls for my evaluation?
 
Material                              Qty (wt in Kg)                Diameter (mm)
High Alumina 95 Series              25                                 20
High Alumina 95 Series              25                                 25
High Alumina 95 Series              25                                 30
Inert Alumina Balls                    25                                 25
 
Also please provide a quotation for each of these grades in $(USD) per metric ton.
 
Best regards,
 
Alumina ball products, alumina grinding media, alumina support media inquiry provided by China alumina ball manufacturer: HuaMing Alumina Technology Ltd.