When expanding an organic fertilizer production line, there are several key factors to consider to ensure production efficiency and product quality. Here are some of the main aspects:

1. Market demand analysis: understand the demand of the target market, determine the product type and specifications. Consider competitors' products and pricing strategies.

2. Production process: Select the appropriate production process, such as composting, anaerobic fermentation, etc. Consider technical improvements and automation levels to increase production efficiency.

3. Equipment investment: Select the right organic fertilizer equipment according to the production scale. Consider the repair and maintenance costs of the equipment.

4. Environmental protection requirements: Ensure that the production process meets environmental protection standards and reduces waste gas and wastewater discharge. Consider the safety and environmental impact of organic fertilizers.

5. Human Resources: Recruit and train necessary staff to upgrade their professional skills. In accordance with the expansion of the scale, reasonable arrangements for personnel allocation.

6. Capital budget: Make a detailed capital budget, including equipment purchase, raw material purchase and operating costs. Find financing channels to ensure the stability of the capital chain.

7. Sales channels: Establish effective sales channels and expand the market. Consider online and offline sales strategies to increase customer reach.

8. Technical support and research and development: strengthen cooperation with scientific research institutions to develop new products and technologies. Continuously optimize the production process to improve the competitiveness of products.

When expanding organic fertilizer production lines, taking the above factors into account will help achieve sustainable development and maximize economic benefits.