1. What other companies do they currently produce products for?

You always want to choose manufacturers that are reputable in the industry and who manufacturer quality products for companies that you know of in the marketplace.

2. How big is their facility?

The more employees the factory has and the bigger their facility is, the longer they have been in the business of manufacturing — giving them experience in their respective fields.

3. What quality assurance steps do they take and at how many points throughout production?

Quality assurance is the most important step in the manufacturing process. The more quality assurance steps the manufacturer will take, the lower the risk of defective products and components.

4. From where are they sourcing their components?

There are likely many different manufacturers that produce the same components inside products that you produce. Each of these components has their own set of problems. If the manufacturer is not producing all of the components that are required to produce your product, make sure that the components they purchase are from reputable manufacturers as well.

5.How fast they respond to customer complaints?

Customer relationships is the most important key criteria for any kind business. How robustly they are giving solutions for the customers issues based on the criticality of the issue is very much important.