Japan
CANON Corporation
FUJIFILM Corporation
Watching clubs Hitachi
Corporation OPTORUN
Pearl Optical Industrial Co., Ltd.
SONY Corporation
SHARP Corporation
Corporation NIKON
NOF Corporation
Corporation SHINCRON
Of CANON OPRTON Ltd.

China
The order of the phoenix optical group co., LTD
Lida photoelectric co., LTD
Yong xinguang joint stock limited company
Fuji film (tianjin) optical co., LTD
Foshan China kingdom optical equipment co., LTD
Jiangsu double meter optical equipment co., LTD
Tag heuer (guangzhou) optical co., LTD
Kiah m optical (jiaxing) co., LTD
Carl CaiSi optical (China) co., LTD
Field daming optical (hangzhou) co., LTD
ShunYu optical technology (group) co., LTD
Shenzhen Europe fe light technology co., LTD