... single grider crane 1. Load capacity 20t 30t 50t 75t 100t150t 200t 2. ISO OHSAS 3. Radio remote/cabin control option ... LDA model single grider electric craneLD ton bridge crane:1.Designed and made ... according to JB/T 1306 Electric Single-girder Crane.2.The matched electric hoists have CD1 model, MD1 ... as easily combustible,explosive,etc single girder crane