... -250V; energy saving E27 die-casting aluminum lampholder die-casting lamp holder,spotlight base 1. Material: high-pressure die-casting aluminium housing;2. Base:E27; ... development, we have formed three workshops in our factory with 300 workers, products are also expand to lamp holder, ... CE, Rohs, BS, VDE, SGS and UL certificates, with serious work attitude and high quality merchandise, now more and ...