HN-HJ02-3500.3/3.A welding machine for plastic window: 1.Used ... -window 2.PLC control 3.One year gurantee HN-HJ02-3500.3/3.A welding machine for plastic window:features and ... , frame, electric controller box, profile-holding frame, etc.HN-HJ02-3500.3/3.A welding machine for plastic window:Specification:Technical ...