SYM is a traditional enterprise based in Shanghai and professionally engaged in the design, development, manufacturing and non-standard customization of intelligent transportation system. The main conveyors and equipment are lath chain conveyor, plastic chain conveyor, roller conveyor, belt conveyor, bending belt conveyor, bending roller conveyor, roller screw and plastic chain screw conveyor and other integrated conveyor system, online printing and labeling system and logistics sorting conveyor. Best quality and factory price.