... 3W LED ceiling lamp/super bright/1W Nichia chip 1.manufacturer 2.CE,ISO9001 3.warranty:1 year 4.Hebei province,China 3W LED ... ceiling lamp/super bright/1W Nichia chip Tenghui Opto-electronics Tehnology Co., ... the company is a high-tech enterprise professionally engaged in LED lighting product's design,research,production,marketing,engineering service. ...