Shenzhen Zhongwei Testing Technology Co., Ltd. (English name: "Zhongwei Testing" ) is a professional third‑party testing organization specializing in optical (laser) and energy efficiency testing. We hold CNAS (ISO/IEC 17025), U.S. IAS accreditation, and CMA qualification. Our laboratories include Consumer Laser, Medical/Industrial Laser, Pulse, Spectral Characteristics, Beam Performance, Electrical Safety, Ventilation Equipment, Airflow Analysis, Water Efficiency/Waterproof, and Physical labs. We provide testing and certification services for laser products, beauty instruments, household appliances, mechanical products, medical devices, lighting equipment, information/AV products, toys, and consumer electronics, serving industries such as consumer, industrial, metrology, civil, medical, and automotive.