When choosing pig manure organic fertilizer equipment, the following aspects can be considered to ensure that it is more economical and cost-effective:

1. Production capacity: According to the scale of the pig farm and pig manure treatment needs, choose the appropriate equipment production capacity. Don't buy equipment that is too big or too small to waste resources or limit capacity.

2. Equipment quality: Choose equipment with good quality and reliability, even if the initial investment is high, but long-term use can reduce maintenance costs and failure rates, so as to be more economical.

3. Energy consumption and efficiency: Pay attention to the energy consumption of the equipment and the production efficiency of the organic fertilizer production line, choose the equipment with low energy consumption and high production efficiency, which can reduce the production cost.

4. Maintenance and maintenance: Choose equipment that is easy to maintain and maintain, reduce maintenance costs and downtime, and improve equipment utilization, so as to be more economical.

5. Versatility: If possible, choose a multifunctional equipment that can handle different kinds of organic raw materials, which can improve the utilization rate of the equipment and reduce the cost.

6. After-sales service: Select equipment suppliers with good after-sales service, which can solve equipment failures and provide technical support in time to reduce later maintenance costs.

7. Technology update: Consider choosing equipment that uses advanced technology, although the initial investment may be higher, it can improve production efficiency and reduce energy consumption, which is more economical in the long run.

The above are some of the factors that can be considered when choosing pig manure organic fertilizer equipment, comprehensively weighing all aspects of the factors, you can choose a more cost-effective equipment configuration.