... ,reading room Productive process How to make a lamp ? Introduction of company Hangzhou Linan Haike Electronic ... 2010. Our main products are half spiral lamp,full spiral lamp.lotus lamp,2u,3u,CFL tube ,PCB ballast, ... two different factories,one is for energy saving lamp,other is for PCB .The characteristics of HK ... ,Please change it in our office or factory at any time .OEM available : Customer must supply ...