https://www.nexus.com.bd/rapoo-bangladesh
The first company to market with 2.4 GHz frequency band wireless technology was Rapoo. Rapoo dominated the Chinese market three years later. One of Asia's most state-of-the-art factories, measuring 80,000m2, was inaugurated by Rapoo in 2012. Currently, the company employs about 3,000 people worldwide and sells its products in more than 80 nations.