... DescriptionPhoto: Stretching MachineProduct Name: Steel StretcherModel: YW-1200Description: This machine will be high-strength alloy steel wall thickness of 4 ... drawing preforms will stretch to 2.5 ~ 3mm, hydraulic-driven machine, stable operation, high stability, a pull out extension, no ... and outer surface is smooth as a mirror.The machine is adapted to the current domestic and international markets ...