Dear Sir: We are a iron fittings plant. We are dedicated to metallic doors. We are interested in the cost for gear rack will the next measures: 22 x 22 x 2000 mm. (600pz) 20 x 20 x 2000 mm. (600pz) 30 x 12 x 1000 mm. (with anchors and screws) 2000 pz Also, we′d line if you can send us a sample and a time limit for pagament. Best regards.