2024

Thin-walled clean pipe connection adapter pipe and pipe assembly

Utility model patent certificate

2024

Integrated refrigeration and heating unit

Utility model patent certificate

2024

Temperature control balance system

Utility model patent certificate

2024

Hand-free door lock switch structure for clean workshop

Utility model patent certificate

2024

A multi-stage AO treatment system for pharmaceutical wastewater.

Utility model patent certificate

2024

Batch loading and unloading device for hazardous chemical fluid

Invention patent certificate