| Location Name | Address | Contact | |
| United States | Tisch Scientific | 201 South Miami Ave Cleves United States, OH 45002 | +1 (513) 467-0413 |
| China | Hitech Instruments Co., Ltd.Headquarters | Building 113, Lane 255, South Sizhuan Road, Songjiang District Shanghai China, SH 201612 | +86 021 5779 5001 |