Quality Management – Red Infrared Light Therapy Device Manufacturer

Experience the perfect blend of innovative technology and cutting-edge quality with our advanced red light therapy devices

Less Than 0.3% Deffective

Yoroso is a professional manufacturer of red light therapy products. We place a high priority on quality and are committed to achieving a defect rate of less than 0.3%. To ensure this, our Quality Control Department, Engineering Department, Procurement Department, and Manufacturing Department have established stringent quality control processes at every stage—from raw material inspection, SMT LED chip mounting, assembly, packaging, to product aging.

These processes are managed by skilled and experienced quality assurance professionals. Additionally, we utilize advanced machinery and equipment, such as Programmable Temperature & Humidity Chambers and Spektron Coating Integrating Spheres, to guarantee the quality of our final products.

Core flow in Quality Management at YOROSO

Law material control

Photoelectric performance test

Test LED Luminous Flux(Test standard:IES LM-79) and Wavelength(Test standard: IEC 60601-2-57) by Integrating sphere and Spectrometer, and provide test report.
Electrical safety test.Accroding to IEC60601-1, we inspection the power supply with Dielectric Strength Test,Insulation Resistance Test,Ground Bond Test and Leakage Current Test.

Production quality

4M1E Quanligy control

Staff training and assessment, according to SOP process production
Check the stability and maintenance of the equipment;
Verify material compliance with BOM table;
environment
Regulatory compliance

In-house Inspection

Engineering testing

Retrospective testing：By reviewing and analyzing the performance of the products in actual use, we verify that its design and performance meet expectations to ensure the safety and effectiveness of our red light products.
Prototype tesing: R & D engineering during the prototype phase integrates safety, environmental, and lifecycle testing equipment to ensure the stability and reliability of mass production product quality.

Pre-shipment inspection

We place significant emphasis on the inspection of both functionality and appearance prior to shipment. To ensure quality, we have assigned a highly experienced staff member, who has been with YOROSO for eight years, to oversee this process.

Inspection to engsure products stickers and manual are right.
Check the functionality meets clients requirements.
Double check to ensure no any accessories missed from the packaging.

Supply chain management

Supply chain assessment to ensure that our raw materials meet medical standards.

For new suppliers, we conduct a comprehensive evaluation of their management systems, certifications, manufacturing processes, standard operating procedures (SOPs), and quality control standards.

Customer complaint handling process

Our after-sales team analyzes the real cause of the defective products, gives the customer an effective solution within 24 hours, and works out permanent improvement measures by engineers and quality department.