single surface of Cr electroplating rollers: 0.05mm 6. Wall Thickness: 18mm 7. Transmission: chain 7.1 Name: bush roller chain 7.2 Model: 20A-1 7.3 Chain Material: high quality 45# steel 6.4 Heat Treatment: HRC45-50掳 8. Motor: famous brand in China 8.1 Power: 7.5KW鈥斺€?pcs 8.2 Original: China 8.3 Hydraulic Cutting, power: 2.2KW 9. PLC: PanasonnicCold Roll Former for sale website:http://www.jr-rollformingmachine.com/cold-roll-forming/cold-roll-former/