What industry does hand board belong to?

Handboard belongs to the processing and customization industry. Generally, such enterprises are service-oriented enterprises. For example, some R&D personnel and trading companies need to do a test to test their achievements before they develop something. At this time, the hand factory will play a role. Generally, it will be processed according to customer's requirements and drawings. Hand boards are produced in batches with different molds, and each hand board generally ranges from one or several products.