Guangzhou OSALO Electronic Technology Co., Ltd. Was established in 2006.It is the industry leader of the product all the time in development, design, production, marketing. It wins the market with its advanced technology, excellent quality and service. Meanwhile,Thailand OSALO company was established in 2007.It is the first step to open the oversea market. Then OSALO calculators were cover in USA,UK,Egypt,Bangladesh,Malaysiz,Romania,Nigeria,etc