May I ask if you sell optical meters outside of optical meter repair?
Reply from the system
We are currently selling a lot of optical measuring products. Currently, the following series are available: VT-42MP-CS, VT-42MP, VT-42FR, VT-42OPC series, M3207B, and many more.... You can see details on https://vientam.vn/en/product/testing-instruments-6.html . Information to you