The first type of supplier is instead of producing ordinary electric forklifts, they purchase ordinary electric forklifts of various brands (called "basic electric forklifts"), and carry out explosion-proof modifications on them, thereby producing explosion proof electric forklifts. Therefore, customers have a considerable choice of brands of basic electric forklifts.

Such companies are good at explosion-proof technology, supply explosion proof electric forklifts for a long time, and cooperate with many brands.
The second type of supplier is the production of ordinary electric forklifts, only explosion-proof modification of electric forklifts of their own brands to manufacture explosion proof electric forklifts. 
Such companies are good at the design and manufacture of ordinary electric forklifts, and most of them are a group of new companies that have only recently emerged, and their development model needs to be proved over time.
Through the above introduction and analysis of the Supply Method Classification of the explosion proof electric forklift, hope it helps you.