Shanghai Deda in a group company composed of two factories and one sales company and one importing and exporting company, managing products are divided into two major lines, one line is lamps and related products , the other is diamond tools and related products.Our lamp factory named as Suqian Deda Lighting Co .Ltd is specialized in making and managing energy saving lamps at U type, spiral type and lotus type, PL type . Shanghai Deda Eelectronics Co.ltd is a making lamp starts from making tubes and ballasts ourselves, we have the most famous lighting professor as our consultant engineer in tube production, and our electronic engineer is very much experienced in designing special circuit and choosing very reliable electronic components. At the same time, we have whole set of system and equipment for checking and controlling quality, so our lamps are both economical and quality guaranteed. Meanwhile, we have another factory named as Shanghai Deda Diamond tools engaged in manufacturing all kind of diamond tools for stone, concrete and also asphalt, our tools include diamond saw blade, diamond segments, router bits, core drills, flexible polishing pads and so on. Shanghai Deda Eelectronics Co.ltd is a making tools with most advanced techonoly , all our tools are top quality in China.And then Shanghai Deda Electronics Co.Ltd is in charge of domestic selling, and Shanghai Deda Industry and Trading Co. Ltd is mainly for imporing and exporting business, so now the complete products and services we could offer as following:1, Energy saving lamps in U , spiral type, PL , and H type and lotus used for lighting .2, Lamps in SKD type such as made up glass tube glued with lower plastic cover and upper base welded with ballasts and caps3, All necessary parts and components for making CFL lamps such as made up tubes , clean glass tubes, stems, tungsten filaments, tri band powder , electronic ballasts , plastic covers in PBT or PP or PC materials, metal caps such as E27, B22, E40 and E24, and so on.4, All necessary materials for sodium and meta