Third-party Testing & Metrology Certification – GRGTEST (Guangzhou GRG Metrology & Test)
Custom equipment: Automated intelligent temperature & humidity chambers + dedicated fixtures
Temperature range: -40°C ~ 150°C

Application & value: As a leading third-party testing organization, GRGTEST deployed multiple batches of custom chambers to serve aerospace, automotive electronics, and new energy sectors. Integrated with central control systems enabling automated loading, ESS execution, and real-time monitoring — ideal for high-frequency, multi-type testing. Partnership has continued for over five years.
“Envsin’s custom engineering capabilities solved many of our special project equipment needs. Their response speed and technical support are top-tier in the industry.” – Lab Director