When purchasing pig manure organic fertilizer production line, you need to pay attention to the following key points:

1. Production demand: According to the scale of the pig farm and the amount of manure production, choose the appropriate yield of organic fertilizer production line. Pig farms of different sizes have different demands for organic fertilizer, so it is necessary to choose the right production line according to the actual production demand.

2. Technical parameters: Consider the technical parameters of the production line, such as raw material fermentation, mixing, granulation, drying, cooling, screening, etc., to ensure that the equipment can meet the production needs.

3. Process flow: Understand the process flow of organic fertilizer production line, including raw material fermentation, automatic batching, crushing and mixing, granulation, drying, cooling, screening and packaging steps.

4. Equipment quality and performance: Select organic fertilizer equipment with reliable quality and stable performance to ensure the continuous operation of the production line and product quality.

5. Economic benefits: Evaluate the economic benefits of the organic fertilizer production line, including equipment investment costs, operating costs, maintenance costs and expected profitability.

6. After-sales service: Choose a manufacturer that provides good after-sales service, so that you can get timely technical support and solutions when you encounter problems in the process of use.

7. Equipment customization: According to specific production needs and site conditions, it may be necessary to customize organic fertilizer production lines to meet specific production requirements.

In summary, when purchasing pig manure organic fertilizer production line, it is necessary to consider multiple factors such as output demand, equipment configuration, technical parameters, process flow, equipment quality, environmental protection requirements, economic benefits, policy support, after-sales service and equipment customization to ensure the purchase of a suitable production line.