EN

Introduction to Testing Laboratories of the Testing Center
Home  >  Introduction to Testing Laboratories of the Testing Center
12labs
Testing Center

Laboratories Built for Precision

Twelve specialized laboratories covering microbiology, trace elements, chemistry, chromatography, mass spectrometry, barrier performance, mechanical properties, and spectroscopy — delivering comprehensive quality assurance for food and pharmaceutical packaging.

01
Microbiology Laboratory - site photo Microbiology Laboratory - equipment
N° 01

Microbiology Laboratory

Microbial Detection
Main Testing Items
  • Determination of Total Aerobic Microbial Count
  • Determination of Molds and Yeasts
  • Determination of Escherichia coli (E. coli)
  • Determination of Staphylococcus aureus
  • Determination of Pseudomonas aeruginosa
  • Determination of Salmonella
  • Determination of Leachables from Pharmaceutical Packaging Materials
National Food Safety Standards
GB 14934GB 4789.3GB 4789.4GB 4806.13Pharmacopoeia of the PRC 2025
Risks and Hazards
Salmonella
Leads to a range of health issues, commonly gastroenteritis, and may cause systemic infection in some cases.
S. aureus
Enterotoxins produced can cause food poisoning — nausea, abdominal pain and vomiting within hours after ingestion.
E. coli
Causes various health problems, from mild gastroenteritis to severe systemic infections.
02
ICP-MS Laboratory - site photo ICP-MS Laboratory - equipment
N° 02

ICP-MS Laboratory

Inductively Coupled Plasma Mass Spectrometry
Main Testing Items

Determination of multi-elements and multi-element migration:

AlAsCdCoCrCuMnMoNiPbSbSnZn
National Food Safety Standards
GB 31604.49GB 4806.13
Risks and Hazards
Neurological
Lead and mercury damage the nervous system — impactful for children and pregnant women, causing intellectual impairment, memory loss and behavioral abnormalities.
Kidney
Cadmium and lead accumulate in kidneys. Long-term intake may cause renal dysfunction, leading to kidney failure in severe cases.
Skeletal
Cadmium interferes with calcium absorption, resulting in osteoporosis and increased fracture risk.
Immune
Heavy metals weaken the immune system, increasing susceptibility to infections and diseases.
03
Sample Preparation Room - site photo Sample Preparation Room - equipment
N° 03

Sample Preparation Room

Pre-treatment & Reagent Storage
Primary Functions
  • Sample Preparation
  • Sample Solution Extraction
  • Standard Reagent Storage
Standard Operating Procedure (SOP)
Specification for Reference Material Management
04
Chemical Testing Laboratory - site photo Chemical Testing Laboratory - equipment
N° 04

Chemical Testing Laboratory

Migration & Chemical Analysis
Main Testing Items
  • Overall Migration
  • Potassium Permanganate Consumption
  • Heavy Metals (as Pb)
  • Formaldehyde Migration
National Food Safety Standards
GB 31604.8-2021GB 31604.2-2016GB 31604.9-2016GB 31604.48-2016
Risks and Hazards
Formaldehyde
Acute: eye irritation (0.1 ppm), laryngeal spasm (>0.5 ppm), pulmonary edema (30 ppm). Chronic: nasopharyngeal cancer risk ↑40% (IARC Group 1), leukemia association, memory deterioration.
KMnO₄
Binds to proteins, inhibits enzyme activity; induces oxidative stress and DNA damage up to 30%. Causes metabolic disorders and neurodevelopmental delays in infants and young children.
05
Gas Chromatography Room - site photo Gas Chromatography Room - equipment
N° 05

Gas Chromatography Room

GC / GC-MS Analysis
Main Testing Items
  • Determination of Residual Solvents (GC / GC-MS)
  • Determination of Polybrominated Biphenyls (PBBs)
  • Determination of Toluenediamine
  • Determination of Ethylene Oxide and Propylene Oxide
  • Phthalate (Plasticizer) Content and Migration
National Food Safety Standards
GB 4806.7GB 9685GB/T 37639GB 31604.60GB 31604.30
Risks and Hazards
Solvents
Acute/chronic poisoning, carcinogenicity, skin irritation, reproductive toxicity, nerve damage, liver and kidney injuries.
PBBs
Carcinogenic; interfere with nervous and endocrine systems.
Phthalates
Endocrine disruption, developmental toxicity, carcinogenicity, liver/kidney damage, respiratory effects, skin irritation.
06
LC-MS/MS Laboratory - site photo LC-MS/MS Laboratory - equipment
N° 06

LC-MS/MS Laboratory

Ultra-Performance Liquid Chromatography MS
Main Testing Items
  • Migration of Primary Aromatic Amines (PAAs)
  • Migration of 2,2-bis(4-hydroxyphenyl)propane (Bisphenol A)
  • Migration of 2,4,6-triamino-1,3,5-triazine (Melamine)
National Food Safety Standards
GB 31604.10-2021GB 31604.52-2021GB 31604.15-2016
Risks and Hazards
PAAs
Found in food contact materials; may migrate into food. Long-term intake increases cancer risk and harms genes, liver/kidney, blood, endocrine and nervous systems.
BPA
Enters body via diet, inhalation or skin contact. Endocrine-disrupting effects; increased risks of chronic diseases.
Melamine
Not a food additive; ingestion causes serious harm — mainly kidney damage.
07
Barrier Property Testing Laboratory - site photo Barrier Property Testing Laboratory - equipment
N° 07

Barrier Property Testing Laboratory

OTR / WVTR Analysis
Main Testing Items
  • Oxygen Transmission Rate (OTR)
  • Water Vapor Transmission Rate (WVTR)
National Food Safety Standards
GB/T 19789-2021GB/T 26253-2010GB/T 1038.1-2022GB/T 31354-2014GB/T 31355-2014
Risks and Hazards
Oxygen Barrier
Directly affects shelf life, sensory quality and nutrition. High barrier delays oxidation, inhibits microbial growth, preserves color/flavor (nuts, meats) and reduces vitamin loss.
Water Vapor Barrier
Critical for shelf life and quality. High barrier prevents sogginess (chips, crackers), caking (milk powder, seasonings) and mold, while maintaining crispness.
08
Physical Testing Laboratory - site photo Physical Testing Laboratory - equipment
N° 08

Physical Testing Laboratory

Mechanical & Optical Properties
Main Testing Items
  • Breaking Force and Nominal Strain at Break
  • Peel Strength
  • Coefficient of Friction
  • Heat Seal Strength
  • Puncture Impact Energy
  • Pendulum Impact Resistance
  • Right-Angle Tear Strength
  • Thickness Measurement
  • Luminous Transmittance and Haze
National Food Safety Standards
GB/T 10006-2021GB/T 1040.3-2006GB 8808-1988QB/T 2358-1998GB/T 8809-2015GB/T 6672-2001GB/T 14216-2008
Primary Functions
Testing the Physical Properties of Packaging Materials.
09
Materials Analysis Laboratory - site photo Materials Analysis Laboratory - equipment
N° 09

Materials Analysis Laboratory

Structure & Process R&D
Main Testing Items
  • Heat Shrinkage Test
  • Heat Sealing Performance Test
  • Interlayer Structure Analysis
  • Rub Resistance Test
National Food Safety Standards
GB/T 2410-2008GB/T 34445-2017GB/T 6040-2019GB/T 12027-2004
Primary Functions
Expanding Materials Analysis and Process Technology R&D.
10
Pressure Testing Chamber - site photo Pressure Testing Chamber - equipment
N° 10

Pressure Testing Chamber

Compression & Seal Integrity
Main Testing Items
  • Compression Resistance of Packaging Bags
  • Seal Integrity Test
National Food Safety Standards
GB/T 21302GB/T 10004-2008
Primary Functions
Compression Resistance and Air Tightness Testing for Plastic Laminated Films and Bags for Packaging.
11
Pressure Testing Chamber (Lightfastness) - site photo Pressure Testing Chamber (Lightfastness) - equipment
N° 11

Pressure Testing Chamber

Lightfastness & Aging
Main Testing Items
  • Lightfastness Performance
  • Packaging Film & Bag Aging Test
  • Compression Resistance of Packaging Bags
  • Seal Integrity Test
National Food Safety Standards
GB/T 21302GB/T 10004-2008
Primary Functions
Compression Resistance and Air Tightness Testing for Plastic Laminated Films and Bags for Packaging.
12
Infrared Spectroscopy Laboratory - site photo Infrared Spectroscopy Laboratory - equipment
N° 12

Infrared Spectroscopy Laboratory

FTIR Material Identification
Main Testing Items
  • Packaging Material Analysis
National Standard for Pharmaceutical Packaging Materials
YBB 00262004-2015Pharmacopoeia of the PRC 2025
Primary Functions
Identifies plastic materials (PE, PP, PET, PA) by characteristic absorption peaks (C–H at 2900 cm⁻¹, C=O at 1730 cm⁻¹), differentiates composite film layers (aluminum foil, adhesive layers), and detects adulterated materials (e.g., LDPE substituted for HDPE).

This website uses cookies to ensure you get the best experience on our website. Learn more