Jonhon adheres to strict quality standards for EV charging equipment, including IEC 62196 (charging connectors), GB/T 20234 (Chinese standards), and UL 2251 (North American safety). Their products undergo testing for electrical safety (dielectric withstand, insulation resistance), mechanical durability (mating cycles, impact resistance), and environmental resilience (temperature, humidity, water/dust ingress). The company is certified to ISO 9001, IATF 16949, and ISO 14001, ensuring consistent quality from design to delivery.