| Factory Name | Ningbo Kaiyue |
| Cooperation Contract | |
| Years of Cooperation | |
| Annual Output Value | |
| Production Capacity | (Product Name)null; (Annual Production Volume) null null (Product Name)null; (Annual Production Volume) null null (Product Name)null; (Annual Production Volume) null null |
1YRYiwu Huaheng Optical Instrument Co., Ltd.