Hong Kong Dongda Co., Ltd was founded in 1991 and special the research & development production of portable solid-state high-frequency heating induction device. There are three series products?high-frequency, medium frequency ultra-frequency?, including over 50 models. Now it is ...
Telephone:86 - 0755 - 27986108
Address:Shangwei Industrial Zone Songyuan Village Guanlan Town Shenzhen City Guangdong Province China Shenzhen Guangdong China
sapphire core, sapphire substrate, sapphire crystal
Telephone:86 - 0731 - 28283368
Address:NO.910 Dongdu Building Hetang District Zhuzhou Hunan 412000 China