The customization process of freight elevator involves multiple steps and considerations. The following content is for your reference:

1. Determine requirements: including parameters such as load capacity, operating speed, and working area size. These data will determine the size and other important elements of the elevator.

2. Choose a manufacturer or contractor: Look for experienced and capable suppliers or qualified large companies for production, installation, and commissioning. Generally speaking, choosing legitimate products produced by reputable manufacturers is necessary to ensure their quality..

3. Provide detailed specifications: Provide specific indicators such as load capacity, floor height, and operating frequency according to business needs. It is also necessary to clarify whether there are special regulations regarding explosion-proof functions and door lock settings.

4. Conduct on-site survey: During the civil engineering phase, it is necessary to survey the site and understand a series of factors such as the depth of the foundation pit. 5. Purchase materials and manufacture: Purchase components according to the contract content and relevant standards, assemble them into complete equipment, and conduct testing. 6. Acceptance and put into use: The equipment's performance has been inspected to ensure that it can be used normally before it can be completed.

The above suggestions may not be feasible, please consult relevant personnel for information.