1.Tube in Tube Expert The widest series(S,G,K,P series ) with the whole size(600mm,900mm,1200mm,1500mm) Patented products with CE IEC.

2.Project of Ying-Sheng *GTMC,Guangzhou Baiyunshan Pharmaceutical Co. Ltd. ,Toshiba Project applying time: for 3-4years Feedback: 50% energy saving,illumination 22%higher than previous T8,lifespan 2.5times.

3.Quality of tube in tube: *Materials: high quality electronic components and materials electronic ballast + special designed inner tube + self intelligent preheat machine NO MORE black head,large light fades,short lifespan 4. test video of electrodeless tube in tube energy saving tube light(model:YS-21W) VS ordinary T8 fluorescent light 40W http://player.youku.com/player.php/sid/XMTc3ODU0NTcy/v.swf 5.Different series for Different purpose: S Series-------Plastic Head: Energy saving projects for factory assembly line,parking lot.

G Series-------Aluminum Alloy Head:Energy saving projects for places have higher lighting requirements: large enterprises,hospitals,schools,supermarkets,shopping malls.

K Series-------Removable PC Cover: Well-Performance energy saving products for: government engineering projects,foreign customers(long-distance transportation,easy broken,hard to maintenance) P Series-------Accessories of tube in tube: For energy saving companies and dealers who have low production cost,assembly conditions and large amount needs of tube in tube.P series can reduce the cost of tube in tube effectively,that's a cost advantage.