The negative pressure weighing chamber is a specialized local purification equipment used in pharmaceutical manufacturing, microbiological research, scientific experiments, and other similar settings. It provides a vertical unidirectional airflow, with some clean air circulating within the operating

Purified laminar flow cover is an air purification unit that can provide a locally clean environment，It can be installed flexibly above the process points requiring high cleanliness.

The mobile laminar flow car is primarily used for the transfer of materials and equipment in aseptic processes, ensuring aseptic docking. It delivers the material or equipment to the operating area through a Class A vertical unidirectional flow, creating a positive pressure difference between the in