Simple Group Holding specializes in the R&D, production and export of LED lightings, external batteries and optics. We have three joint-venture companies, namely, LongTerm Battery, LongTerm Lighting and LongTerm Optics.
LongTerm Battery is a professional external battery manufacturer specialized in the production of Apple backup batteries and external batteries for mobile phones.
LongTerm Lighting is one of the leading companies with cutting-edge technology. We provide products such as spotlights, downlights, LED lamps and more. We use high-grade raw materials, advanced production equipment and strict management to provide our customers with their product demands. This is why buyers in the US, Europe, the Middle East and Asia trust our product quality and production capacity for their OEM/ODM projects.
LongTerm Optics specializes in the research, production and sales of crystals and optical components for fiber components and optic devices.
Our products include LiNbO3 crystals, YVO4 crystals, quartz wave plates, isolator cores, free space isolators, TGG crystals, Nd:GdVO4 crystals, optical components, erbium laser glasses, penta prisms, roof prisms, corner cubes retro reflectors, dove prisms, band-pass filters, lens and coatings.
For more details, contact us today.
