Ultraviolet lamp led

TESTECH GROUP CO.,LTD is a reliable manufacturer and supplier of testing instruments in Beijing China. It combines all the R/D and production advantage of all its own subsidiaries, takes advantage of its years marketing and sales experience in global market, contributes to offering most qualified competitive products and service to international markets. TESTECH GROUP CO.,LTD products are composed of all kinds of metal and non-metal testing equipments, such as portable har...