This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of chute belt conveyors. This standard is applicable to chute belt conveyors (hereinafter referred to as conveyors) that transport various bulk (less than 100 mm), granular and other loose materials over short distances. The working environment is that the altitude does not exceed 2000 m and the ambient temperature is - 25-40℃, ambient humidity not greater than 90% (±25℃).