Swivel Flange of Excavator Boom for The Mining Machine Customized and Ubiquitous Type Liaoning Fengde Mining (Group) Co., Ltd. Base Info Condition：NewCustomized：Customized Description Pre：Lifting Cylinder of Grab Truck for Coal Mine for The Mining Machine Customized and Ubiquitous Type Next：Excavator Boom Stick for The Mining Machine Customized and Ubiquitous Type
