Here at RINGBIO, we have the following 2-in-1 combo test kit
| Description | Package Size |
| Beta-Lactams+Tetracyclines, BT Combo Test(100ppb) | 96T |
| Beta-Lactams+Cefalexin, BCex Combo Test | 96T |
| Liconmycin/Tilmicosin LT Combo Test | 96T |
| Kanamycin/Gentamicin KG Combo Test | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test(10ppb) | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test(10ppb) | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test (2-4ppb) | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test (10ppb) | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test (10ppb) | 96T |
| Beta-Lactams+Tetracyclines, BT Combo Test (100ppb) | 96T |
| BT Combo Test Kit(V2 EU MRL) | 96T |
| BT Combo Test Kit(V2, Russian Regulation) | 96T |
| Neomycin/Florfenicol NF Combo Rapid Test | 96T |
| Fluoroquionlones/Erythromycin FE Combo Rapid Test | 96T |
| Tilmicosin/Tylosin TT Combo Rapid Test | 96T |