Organic fertilizer production line manufacturers usually consider the following key factors when choosing a site:

1. Geographical location: The site should be located in an area with convenient transportation and logistics, so as to facilitate the transportation of raw materials and the sale of products.

2. Land conditions: The site should have land conditions suitable for organic fertilizer production, including soil type, soil fertility, drainage and irrigation systems. Organic fertilizer production process will produce a certain amount of waste, so it is necessary to choose land that can properly handle these wastes.

3. Environmental regulations: Considering the requirements of environmental regulations, the site should be far away from residential areas, water sources and other sensitive areas to avoid impact on the environment and public health.

4. Production scale: Considering the scale and demand of the production line, the site area should be moderate, while taking into account the layout of the production area and the planning of organic fertilizer equipment.

5. Infrastructure: The site should have the necessary infrastructure, such as power, water, roads, etc., to ensure the smooth progress of the production process.

6. Labor resources: Considering labor costs and supply, the site should be located in an area with abundant labor resources and relatively low costs.

7. Economic benefits: When choosing a site, manufacturers should also consider economic benefits, including land rent, raw material and energy costs, labor costs and other factors.