
A world free from drugs
CNAS-accredited drug-abuse testing for biological and wastewater samples
Confidential, methodologically rigorous testing across hair, urine & body fluids and community-level wastewater monitoring — from on-site rapid screening to laboratory LC-MS/MS confirmation, supported by national-level proficiency programs and English-language reporting.
Testing services & products
Laboratory testing of drugs of abuse in hair and wastewater, complemented by hair and urine rapid test kits — covering laboratory confirmation and on-site rapid screening.
01Hair Drug Testing
Laboratory LC-MS/MS confirmation; up to ~180-day look-back window, a broad substance panel in a single run.
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02Wastewater Drug Monitoring
Area-level drug-use trend assessment via upstream sampling methodology — broad coverage, objective data.
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03Rapid Test Kits
Hair and urine rapid test kits — ready-to-use on site with results in about 5 minutes, for workplace front-line screening and institutional screening.
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From sample to report
A defined service path — from inquiry through English report delivery.
- 01Inquiry
- 02Sample guidance
- 03Sample receipt
- 04Laboratory testing
- 05Technical review
- 06English report

Accredited laboratory credentials
Accreditation, methodology and proficiency-testing records — available for institutional review before cooperation.
- National High-Tech Enterprise
- Specialized & Innovative SME (Zhejiang)
- Proficiency Testing · AFS-01 / 03 / 04
Built for institutional and cross-border cooperation
Testing support across corporate screening, institutional cooperation, recovery monitoring and community-level monitoring.
Discuss your testing requirements with RID
Share sample type, testing scope and report requirements — we'll respond with the right testing path.
