... features: Nude pack, canned, carton, plastic, pallet material (steel, wood, plastic, etc.) work-pieces, etc.3. Types of conveying material ... , corrosive materials, etc.4. Working conditions: impact force, rude loading and unloading, smooth conveying, temperature, humidity, corrosive, etc.#conveyor ... alterations- Great fluctuation in number of work-pieces. chocolate double layer modular conveyor