The investment cost of straw organic fertilizer production line depends on a number of factors, including the size of the production line, the configuration of organic fertilizer equipment, the source of raw materials and geographical location. Here are some of the main factors that affect investment expenses:

1. Equipment cost: The price of production line equipment varies depending on the brand, specifications and output. In general, the cost of equipment accounts for the majority of the total investment. High quality production line equipment is more expensive, but the performance is more stable and the operation life is longer.

2. Labor cost: The production line requires certain operation and maintenance personnel. Labor costs vary according to regional economic levels and labor costs.

3. Land and buildings: Production lines need suitable sites for construction and installation. Land costs, building construction and renovation costs all need to be considered.

4. Source of raw materials: The collection, transportation and processing costs of raw materials such as straw will affect production line investment. Areas with close raw materials and low costs have relatively low investment costs.

5. Geographical location: the market environment, policy support and infrastructure construction in different regions are different, which also has a certain impact on investment costs.

6. Environmental protection facilities: According to the requirements of local environmental protection policies, it may be necessary to invest in certain environmental protection facilities, such as waste gas and wastewater treatment equipment.

The investment cost of straw organic fertilizer production line may be in a range of high to low. Generally, the amount of investment ranges from several million yuan to tens of millions of yuan. In order to obtain a more accurate investment budget, it is recommended that you consult relevant professionals or organic fertilizer production line suppliers.