... Backing PlateNameBrake Backing PlateBrand NameJingbangTypeBrake DrumsPlace of OriginZhejiang(Mainland)Processing TradeOEM ServiceDesign ServiceQCISO9001: ... L/CPortNingbo, Shanghai 1. Material: carbon steel (hot rolled, cold rolled, strip steel), galvanized steel, ... , other metal materials according to drawings. 2. Process: Stamping, punching, bending, welding, threading, grinding, milling, machining ...