Quality Assurance

4 Squares implements an ISO quality management system to prevent defects and ensure only high-quality products reach customers. 
Inspection Equipments

Density Tester

Hardness Tester

Tensile Strength Tester

2.5D Profile Projector

Torque Tester

Reliability Equipments

Programmable Temperature & Humidity Chamber

Salt-Water Spray Tester

Insulation Tester 

Burning Tester

Shock Tester