Dongguan Quiduo Electronic Technology Co., Ltd. is a company specializing in the development, design, manufacture, sale and technical service of capacitive pen window breaker industry. With many years...

YingKeSong BiYe Rearch and Development Center ShenZhen CO.,LTD is one of leading pen products company oriented in China as R&D, Production and Sales Supplier. We have a strong technical resear...

Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Beijing, , China. The reason Zhejiang Tonglu Yunsh...