Structural characteristics of a simple structure, simple and convenient installation, power transmission link at least 2, the unique rectangular lever, rigid, invisible change 3, no rubber trunnion bearing friction, corrosion, moisture, vibration 4, anti-lateral force, horizontal component, reducing the impact on the accuracy of the system, said 5,17A type frame with double leverage and four rollers, the belt weighing minimal impact 6,17B type called frame has a lever with a double roller for feeding a shorter distance The belt conveyor ZTE Sanyuan Company's main products are: electronic belt, belt scale, ICS series electronic belt, belt scale instrument (2001), coal feeder controller (2105), feeder weighing controller (2105), belt scales chain code, NJGC-30 pressure weighing coal feeder (fluidized bed boiler furnace stoker), weighing coal feeder, JGC-30 closed weighing coal machine, measuring tape stoker , JGC-40 semi-closed quantitative stoker, JGC-40 closed quantitative stoker, closed ,, blast furnace stoker coal feeder, hopper scales, coking coal blending plants, steel mills batching system, batching system sintering chemical batching systems, automated batching system, the central belt of coal sampling and sample preparation equipment, belt scales calibration chain code, chain code LM, chain code calibration device and cycle chain codes for China's industrial site measurement and industrial control equipment, has been widely used in metallurgy, electric power, chemicals, coal, ports and other industries to the scene.