http://www.hrp-keypad.com/
Huizhou Hengruibo Electronic Co., Ltd.: Shenzhen Taichangfen Technology CO., LTD (TCF) was founded in 2003, and updated company name to Huizhou HenRuiBo Electronic Co., LTD in 2018, which specializes in designing and manufacturing membrane switches, silicone rubber and other related electronic components.
