2,869+ Standards
Comprehensive database of national (GB), industrial (HJ) and provincial (DB) standards with full lifecycle tracking.
REGULATORY & AUDIT FOUNDATION
Regulatory & Audit Foundation
2,869+ national and industrial standards, 53 enterprise equipment standards, obsolescence detection, and 14 tender redline traps.
AUDIT FOUNDATION & EVIDENCE
What Is Our Verification Foundation?
For environmental equipment bids: every response claim and citation is mapped strictly against national standards, filed enterprise standards and disqualification rules.
53 Enterprise Standards
Filed standards and third-party CMA test reports from leading manufacturers, establishing verified positive deviations.
Obsolescence Detection
Pinpoints obsolete standard citations and active replacements, preventing point deductions or disqualification.
14 Redline Rules
Pre-submission audit covering mandatory clauses, social security mismatches, test report dates and balance sheet math.
VERIFICATION FOUNDATION
Regulatory & Verification Foundation
Inspect standard validity checks, industrial BAT removal baselines, and enterprise positive deviations directly.
National & Provincial Emission Limits (GB / HJ / DB)
2,869+ Standards Governed · Structured Clause Database| Standard Code | Standard Title | Status | Key Emission Limits | Applicability Note |
|---|---|---|---|---|
GB 8978-1996 | Integrated Wastewater Discharge Standard | In Force (Sector Precedence) | COD 100 mg/L, BOD 30 mg/L, SS 70 mg/L | Sector standards take priority; applies when no specific standard exists. |
GB 18918-2002 | Discharge Standard for Municipal Wastewater Treatment Plants | In Force | Level 1A: COD 50, NH3-N 5(8), TP 0.5 mg/L | Class IV upgrades require deep-bed denitrification or advanced oxidation. |
GB 37822-2019 | Standard for Fugitive Emission of Volatile Organic Compounds | In Force (Mandatory) | NMHC 6 mg/m3 (1h Average at Monitoring Point) | VOCs storage, transfer and processes must maintain closed containment. |
DB 45/ 895-2013 | Guangxi Cane Sugar Wastewater Discharge Standard | In Force (Local DB) | COD 60 mg/L, BOD 20 mg/L, NH3-N 8 mg/L | Local standard is stricter than GB; mandatory for Guangxi sugar mills. |
Industrial BAT Processes & Technical Baselines
Based on HJ 2301-2309 Technical Guidelines| Industry | Recommended BAT Process | Efficiency | Key Design Parameters | Operating Baseline |
|---|---|---|---|---|
| Electroplating Wastewater | Segregated Collection + Oxidation/Reduction + Precipitation + Membrane | CN- >99.5%, Cr6+ >99.8%, Cu/Ni >99% | Oxidation ORP +650mV, Reduction +300mV, Flocculation pH 8.5-9.2 | Chemicals 8.5-12.0 RMB/t |
| Textile Dyeing Wastewater | Hydrolysis Acidification + Aerobic Contact + Catalytic O3 | COD >92%, Color >96% | HRT 24-36h, Air-to-Water 15:1, O3 Dosage 40-60 mg/L | Power 1.2-1.8 kWh/t |
| Chemical Wastewater | Micro-electrolysis + Fenton + DAF + A/O | B/C ratio increased from 0.1 to 0.38, COD >88% | Micro-electrolysis HRT 1.5h, H2O2/Fe2+ molar ratio 3:1 | CAPEX 3200-4500 RMB/t |
Enterprise Standards (Q/xxxx) & Positive Deviations
53 Filed Standards & Third-Party CMA Reports| Equipment & Vendor | Enterprise Standard Code | National Standard Baseline | Certified Positive Deviation | Tender Proof |
|---|---|---|---|---|
| Jingjin High-Pressure Filter Press | Q/371402JJZB 001-2023 | GB/T 36625-2018 (1.6 MPa) | Filtration pressure 2.5 MPa (+56%), cake moisture <55% | National Champion Certificate + CMA Report |
| Kaiquan Submersible Sewage Pump | Q/310114KQ 012-2024 | GB/T 5657-2013 (Hydraulic Baseline) | Hydraulic efficiency +8.2% over national standard | Energy Efficiency Cert + CNAS Test Report |
| OriginWater Reinforced PVDF MBR | Q/110114BSY 005-2023 | CJ/T 355-2010 (Membrane Module) | Tensile breaking strength >200N, flux +25% | National Science Progress Award First Prize |
Pollution Census Mass Balance & Emission Factors
Structured from Official Census Manual| Sector & Process | Product / Unit | Generation Factor | End-of-Pipe Tech & Removal | Net Discharge Load |
|---|---|---|---|---|
| 2221 Recycled Paper Manufacturing | Per ton of paper | COD: 35.0 kg/t, NH3-N: 0.25 kg/t | Aerobic + Advanced Polishing (98.5%) | COD: 0.525 kg/t (Compliant Discharge) |
| 2710 Active Pharmaceutical Ingredients | Per ton of API | COD: 420 kg/t, VOCs: 28.5 kg/t | RTO (99%) + Three-stage Phys-Chem Bio | COD: 12.6 kg/t, VOCs: 0.28 kg/t |
| 3360 Metal Surface Treatment (Cr) | Per 10,000 m2 plated | Cr6+: 15.2 kg, Wastewater: 180 m3 | Precipitation + Membrane Reuse (99.8%) | Cr6+: 0.03 kg, Water Reuse >65% |
Tender Redlines & 14 Disqualification Rules
Derived from 1,000+ Tender Audits| Rule ID | Trap Category | Typical Tender Trap | Audit & Defense Checklist |
|---|---|---|---|
R01 | Mandatory Asterisk Clause | Negative deviation on any clause marked with asterisk | Word-for-word matching; provide certified test report proof. |
R03 | Staff Social Security Exclusivity | Social security payer name differs from bidder entity | Provide official local bureau stamped records; attach branch authorization if needed. |
R06 | Tolerance Bounds & Test Validity | Test report date precedes cutoff or uses obsolete standard | Verify CMA/CNAS validity, inspection date, and current standard code. |
R11 | Financial Audit Arithmetic Balance | Balance sheet totals do not balance due to OCR/copying errors | Run deterministic calculation checks; recompute every line to prevent arithmetic failure. |
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