Laser World of Photonics China 2020

Aha ngosi: Beijing JCZ Technology Co., Ltd
Ụlọ ntu #: 8/1E322
Ụbọchị: Julaị 32020 - Julaị 5, 2020

Tinye: Shanghai New International Expo Center
Pịa ka ịtọọ oge nzukọ.