
CNAS-accredited substance-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 programmes and bilingual (CN / EN) reporting.
Three core testing services
Hair (on-site rapid screening + laboratory confirmation), urine & body-fluid screening, and community-level wastewater monitoring — across biological and environmental samples.
01Hair Substance Testing
Two pathways — on-site colloidal-gold rapid screening and laboratory LC-MS/MS confirmation; up to ~180-day look-back window, 100+ substances in a single run.
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02Urine & Body-Fluid Screening
Recent-window screening for workplace, institutional and routine monitoring needs.
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03Wastewater Substance Monitoring
Area-level substance-use trend assessment via upstream sampling methodology — broad coverage, objective data.
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From sample to report
A defined service path — from inquiry through bilingual report delivery.
- 01Inquiry
- 02Sample guidance
- 03Sample receipt
- 04Laboratory testing
- 05Technical review
- 06CN / EN report
Upstream sampling methodology
From city-level treatment plants down to building outlets — supporting community-level substance-use trend assessment.

Accredited laboratory credentials
Accreditation, methodology and proficiency-testing records — available for institutional review before cooperation.
- National High-Tech Enterprise
- Specialized & Sophisticated 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 Ruide
Share sample type, testing scope and report requirements — we'll respond with the right testing path.
