Dongguan Shengtemei Electronics CO,.Ltd in 2008, STM has been developed from the original manual mill to have nearly 500 employees (including senior engineer and management personnel for more than 15%) headphone with strong ability of independent innovation and scientific management through over 8 years. Monthly products ability over 800000pc, owning 9 sets of automatic horizontal injection molding machine, 9 sets of vertical injection molding machine and 8 automatic production lines. Modern headphone chananian hattian bala
