国产日韩高清一区二区三区_国产年轻大学生情侣在线_国产成版人视频网站免费下_国产成人免费高清视频_99久久精品国产亚洲_日本精品一区二区三区在线视频_成人午夜精品视频在线观看_国产满18av精品免费观看视频_久久精品视频99精品视频150

Welcome to the official website of Shanghai Qijia Electronics Co., LTD.

Shanghai Qijia 

Strive to become an international brand 
quality supplier of appliance switches

021-33752088   021-33752188

021-33752288   021-33752388

Shanghai Qijia Electronics Co., Ltd

Invention patent

Won 7 invention patents
Won 15 utility model patents
Won 2 design patents
Won 18 software works patents