Road construction machinery, also known as "road machinery". Constructing and maintaining various machinery used in roads. Mainly road machines, pusher, shovel, flat road (ground) machine, pavement machinery, mixing, loading machine, road press machine, etc. Among them, the pavement machines mainly include P69.85, P70, P78.11, P80 and other series of conveying chains. Use high -quality materials, high -efficiency, advanced processing technology, and independent proprietary technical products with high tensile strength, smooth operation, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, reliable use, and useful use. Long life and other characteristics.