the company's main products include: various bulk density devices, electric samplers, single pipe fans, circulating fumigation, grain fumigation film, grain condition detection, grain samplers, moisture measuring instruments, grain protection equipment and other material supplies related to grain storage. The products mainly serve national grain storage institutions, grain depots, grain processing enterprises, purchasing and storage enterprises or individuals. The products meet the national safety standards and are the preferred products of grain depots and grain and oil purchase and marketing enterprises