Can be said as Hao Phong's customized casters. We use PH steel bracket with Phong Thanh's rubber wheel as they are both have same load capacity. Thus created a affordable Series with medium duty capable.

Harms of static electricity in production: Films, bottles and jars are adhered to dust, products do not line up. Or cause sparks leading to fire and explosion. The ink is smudged (crow's feet, beard pulling...). The amount of waste increases due to static electricity causing position deviation when machining.

The payloads are often subjected to damaging shock forces as the vehicles' running gear comes in contact with surface obstructions. As a result, shock caused by impact becomes a significant limiting factor to overcome.