The quotation for rail chain elevators is usually influenced by various factors, including but not limited to the following:

1. Specifications and dimensions of freight elevators: The larger the specifications and dimensions of freight elevators, the higher the price usually.

2. Material and quality of elevators: The better the material and quality of freight elevators, the higher the price will usually be.

3. Additional functions of elevators: If freight elevators have additional functions such as automatic doors, safety protection systems, etc., the price is usually higher.

4. Installation and maintenance costs: Installation and maintenance costs are usually included in the total price of the freight elevator.

5. Geographic location and market demand: Geographic location and market demand can also affect the quotation of freight elevators. In some areas with high demand, the price of freight elevators may be higher.

Therefore, to accurately quote for guide rail chain elevators, it is necessary to understand the above factors and make comprehensive considerations based on the specific needs of the customer.