# Hangzhou Tongzhou Biotechnology Co., Ltd (repackager or relabeler, Hangzhou Zhejiang, CN): 59 new FDA device listings, incl. test, opiates, over the counter

**Score:** 55/100

| Field | Value |
|---|---|
| Establishment | Hangzhou Tongzhou Biotechnology Co., Ltd |
| Role | Repackager or relabeler |
| Establishment types | Repack or Relabel Medical Device |
| Location | Hangzhou Zhejiang, CN |
| New listings | 59 |
| Devices | Test, Opiates, Over The Counter; Enzyme Immunoassay, Opiates; Test, Tricyclic Antidepressants, Over The Counter; Thin Layer Chromatography, Methamphetamine; Test, Barbiturate, Over The Counter; Test, Morphine, Over The Counter; Test, Cannabinoid, Over The Counter; Enzyme Immunoassay, Barbiturate; Enzyme Immunoassay, Cannabinoids; Radioimmunoassay, Tricyclic Antidepressant Drugs |
| Product codes | NGL, DJG, QAW, DJC, PTH, NGI, NFW, DIS, LDJ, LFG, DIO, NFT, JXM, NFV, DNK |
| Device classes | Class II, Unclassified |
| Medical specialties | Clinical Toxicology |
| Brand names | TZcheck Fentanyl Urine Rapid Test Cassette; HINDERING Fentanyl Urine Rapid Test Cassette; HINDERING Multi-Drug Rapid Test Cup; TZcheck Multi-Drug Rapid Test Panel; TZcheck Multi-Drug Rapid Test Panel Rx; TZcheck Multi-Drug Rapid Test Cup Rx; TZcheck Multi-Drug Rapid Test Cup; HINDERING Multi-Drug Rapid Test Panel |
| First new listing | 2026-09-15 |
| Latest new listing | 2026-09-21 |
| FDA registration number | 3021986677 |
| Registration expires | 2027-12-31 |

## Why this score
- Class II or III devices: QMS and regulatory demands.
- Several new listings at once.

Source: openFDA device registration and listing endpoint (U.S. Food and Drug Administration) (https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRL/rl.cfm). Last refreshed: 2026-11-04T21:52:36.524Z.
From the openFDA device registration and listing data, refreshed weekly. A listing shows a device an establishment says it makes or handles for the U.S. market; it is not FDA clearance or approval. Contact persons and street addresses are not stored. Verify in the FDA Establishment Registration and Device Listing database.