China quartz factory,quartz manufacturew,quartz supplier
Welcome: GY Optoelectronic Technology Co., Ltd.
Home     Contact us

Contact us



GY Optoelectronic Technology Co., Ltd.

Contact:Jake Wang
Email:sales@lygglass.com
Mobile/Whats App/Wechat:+86 16725261381
Add:Pingming Town Resident Industrial Park, Donghai County, Lianyungang City, Jiangsu Province