<acronym id="aqcwq"></acronym>
<sup id="aqcwq"><center id="aqcwq"></center></sup>

English|Chinese|Japanese

Gemstone was established in 2003, our headquarters is located in Taipei of Taiwan, and our factory is located in Dongguan city of Guangdong province, China.
We specialize in products for use in Transformer, Lighting, Power supply, Telecommunication,  Automotive, Medical devices, Avionics, Military, Digital camera, Cellular phone, etc.
Gemstone is dedicated to be a global supplier  that specializes in high precision tooling design/fabrication and professional injection for a wide variety of horizontal & vertical machines. Our R&D team will make use of the automated equipment in design stage in order to increase productivity, reduce production costs and achieve superior quality. We have a lot of leading famous customers and we are looking forward to be the preferred partner in the eyes of more customers[More]
Product

 

男人吃奶摸下的激烈视频_女被啪到深处gif动态图_女上男下gifxxoo动态图_日本又黄又粗暴的gif动态图 欧洲美妇做爰 性欧美牲交在线视频