We are a big trading firm and enlisted firm with Bangladesh Railway. In order to bid for a recent tender, we seek the following products from your company with the following specification:Product name -- Self cutting screw (countersunk Head) for tapping mild steel(as per DIN 7513)Sizes:5 x 30 mm = 300000 PCS5 x 20 mm = 220000 PCS4x 15 mm = 110000 PCS4 x 12 mm = 55000 PCSPls give us your lowest possible price, so that we can win the tender and give you order.Once price is okay, then we will request you to send 1 nos physical sample to our address by express coureir.Country:Bangladesh