... different user’s requirements.Standard capacity 5T, 10T, 16/3. 2T, 20/5T, 32/5T, 50/10T, 75/20T, 100/20T ... , 100/30T, 125/30T 150/30T, 160/32T, 200/50T, 400/80T, 560/250T; Feature Description1. Mechanical feature.1) Dobule ... push button or joy stick station with emergency stop.. QD 50t bridge crane