CFL Phosphor coating machine 1. 25% phosphor saved 2. Qualify ... Automatic Spiral & half spiral phosphor coating machine with heads rotation Descriptions:Phosphor coating for T2, T3, T4, T5 ... ration phosphor and rotating uniformly make even coating without heaped phosphor, saving over 25% phosphor ... making equipments, from glass tube bending machine to assembly machine, we can provide you the whole ...