We are Cairo glass manufacturing company so we want you to send us an Performa invoice for the following:1- linear motion bearing of type SHS 25C with dimension M=36 mm ,W= 70 mm,L=92 mm (quantity=4 pieces)2- linear motion bearing of type SHS 25LC with dimension M=36 mm ,W= 70mm,L=109 mm (quantity=4 pieces)please send me the price by DHLI wait your reply