Huizhou Grandye Industrial Co., Ltd. Focuses on R&D and manufacturing various of micro switches, auto switches, waterproof switches, pressure switches, mechanical keyboard switches, precise auto parts, and various kinds of contact modules and terminal components. The annual output of switches & connectors is about 260 million pieces. we belong to Zing Ear Group and started to run independently since the 2007 year. Now we have about 500 staff working at about 10, 000 factory buildings. Our main engineers have professional R&D experiences in the lines of switches & connectors for 8 to 20 years. All of our products are safety approved by the global main market. Our factory has certified ISO9001 and ISO/TS16949 quality assurance system. Nowadays, GRANDYE has set up a complete one-stop R&D and Produce system including Products & process R&D, precise tooling, molding injection, stamping, and automation equipment R&D, finish goods assembly & testing. Welcome to cotnact us.