Yangtze River Pharmaceutical Group: 15,000 m³ GMP & GSP Compliant Energy-Saving Pharmaceutical Cold Storage (Taizhou, Jiangsu)

Project Overview

This full turnkey constant temperature & humidity storage project was customized for Yangtze River Pharmaceutical Group’s Taizhou production base, fully complying with China GMP, GSP and GB 50072 cold storage design standards, solving the group’s long-term pain point of non-standard raw material and finished medicine storage.

Basic Project Information

• Client: Yangtze River Pharmaceutical Group (Top national innovative pharmaceutical enterprise, founded 1971)
• Location: Taizhou Pharmaceutical High-Tech Zone, Jiangsu Province (subtropical high temperature & high humidity climate)
• Total effective warehouse volume: 15,000 m³
• Warehouse structure: Two independent isolated constant temperature rooms, single-story high-space design, net height 6.9m
• Core storage objects: Oral solid preparations, Chinese patent medicine raw materials, semi-finished pharmaceutical intermediates requiring stable 15–25℃ constant humidity storage
• Delivery standard: Complete set of DQ/IQ/OQ/PQ temperature distribution validation reports, ready for NMPA inspection

1 Warehouse Layout & GMP Standard Environmental Control Index

Two independent cold rooms adopt physical partition, separate refrigeration circulation loops to avoid temperature cross-interference, all indicators strictly controlled within GSP permissible deviation ≤±1℃.

Parameter Index	Room 1 (15–19℃ Constant Temp Zone)	Room 2 (20–25℃ Constant Temp Zone)	Mandatory GMP Compliance Requirement
Usable Floor Area	876 ㎡	1180 ㎡	Independent air circulation without dead zones
Permanent Storage Temp Range	15–19 ℃	20–25 ℃	Real-time fluctuation ≤ ±1℃
Relative Humidity Control Target	≤65% RH	≤65% RH	Humidity deviation ±5% RH, prevent drug packaging mildew
Clear Warehouse Height	6.9 m	6.9 m	High-space pallet racking storage, improve space utilization
Special Sanitation Design	Inner arc wall corners, seamless epoxy anti-corrosion floor, easy disinfection & cleaning	Inner arc wall corners, seamless epoxy anti-corrosion floor, easy disinfection & cleaning	Meet pharmaceutical clean storage hygiene standards

2 Core Customized Design Solutions For Taizhou High-Humidity Climate

Taizhou summer ambient temperature can reach 38℃ with continuous plum rain high humidity, the project added targeted optimization beyond ordinary medicine warehouses:
1. Full-enclosure double-layer cyanate ester vapor barrier on wall & roof panels to block external moisture penetration, eliminate wall condensation risk;
2. Independent industrial dehumidifier matching each temperature zone, automatic linkage with temperature control system to stabilize humidity below 65% all year round;
3. Double air curtain buffer doors at all cargo access openings, reduce cold air loss and temperature fluctuation during loading & unloading;
4. All column joints, floor slab joints filled with closed-cell PU foam to cut off cold bridge heat leakage points.

3 Full Set Refrigeration, Insulation & Intelligent Monitoring Equipment Configuration

All equipment was selected with energy-saving and GSP traceability as core indicators, equipped with dual backup system to avoid drug quality risks caused by single equipment failure.

3.1 Refrigeration Host & Air Cooling System

• Main Compressor: Emerson Copeland scroll compressors (USA brand) with variable frequency load adjustment, stable operation under 38℃ extreme outdoor temperature, low vibration and low noise;
• Matching Air Coolers: Gaoxiang high-efficiency low-wind-speed air coolers (Zhejiang local brand), uniform air distribution without local high-temperature dead zones inside the warehouse;
• Redundancy Design: One standby compressor set for each temperature zone, automatic switching trigger within 3 minutes when the main unit fails.

3.2 Thermal Insulation Structure

120mm thick B1 flame-retardant double-sided color steel polyurethane insulated panels for walls, roof and partition walls, ultra-low thermal conductivity, effectively reduce long-term refrigeration power consumption.

3.3 Intelligent Energy-Saving & Traceability Control System

1. Imported industrial-grade constant temperature & humidity PLC controller, built-in peak-valley electricity automatic scheduling logic: reduce unit operating load during daytime peak electricity price, increase cooling reserve during night valley electricity period, cut comprehensive power consumption by 18% compared with traditional fixed-frequency systems;
2. Multi-point temperature & humidity sensors evenly arranged in each warehouse (1 sensor per 300 ㎡), data automatic recording every 10 minutes, storage cycle ≥5 years, non-editable audit trail to meet drug supervision traceability requirements;
3. Independent UPS uninterrupted power supply for monitoring system, maintain data recording for 48 hours under complete power failure;
4. Multi-channel remote alarm function: mobile SMS + local sound-light alarm triggered once temp/humidity exceeds threshold.

4 Client Profile & Project Construction Background

Yangtze River Pharmaceutical Group is a national key innovative pharmaceutical enterprise headquartered in Taizhou, Jiangsu, with complete industrial chain covering raw material medicine, Chinese patent medicine, western solid preparation R&D and production.
– Founded in 1971, more than 16,000 employees nationwide;
– Layout 20+ production subsidiaries in Beijing, Shanghai, Nanjing, Guangzhou, Chengdu and other core cities;
– Ranked top tier of China pharmaceutical industry comprehensive strength list continuously from 2014 to 2018.

Pre-Construction Client Pain Points

1. Original temporary storage area without constant temperature control, seasonal temperature & humidity fluctuation leads to unstable drug raw material quality, frequent rectification during NMPG flight inspection;
2. Dispersed small storage rooms, low space utilization, unable to realize unified batch management of finished drugs;
3. Old refrigeration equipment fixed-frequency design, high daily power consumption, no data traceability function, cannot pass GSP annual verification.

This 15,000 m³ integrated constant temperature warehouse solved all the above compliance and operation pain points in one-stop EPC delivery.

5 Measurable Post-Operation Benefits After Delivery

The warehouse has been running stably for multiple years after handover, with quantifiable economic and compliance gains:
1. Passed all NMPA routine inspections and GSP re-verification without rectification records;
2. Raw material & finished drug spoilage loss caused by unstable storage environment reduced to near zero;
3. Intelligent peak-valley energy-saving control cuts annual comprehensive electricity expenditure by about 21% compared with the client’s old scattered storage facilities;
4. Centralized high-space pallet storage improves overall warehouse space utilization by 32%, supporting the group’s annual production capacity expansion plan.

6 Common GSP Compliance Mistakes In Pharmaceutical Cold Storage Construction

1. No standby refrigeration unit configured: single host failure leads to long-term temperature out of range, directly causing inspection failure;
2. Ignore vapor barrier design in high-humidity southern regions, wall condensation leads to drug carton mildew;
3. Insufficient temperature & humidity sensor layout, blind areas exist inside the warehouse, incomplete traceability data;
4. Omit air curtain buffer doors, frequent temperature fluctuation during cargo handling exceeds GSP allowable standard ±1℃;
5. Ordinary flat wall corners without 50mm inner arc sanitary treatment, difficult to clean and easy to breed mold.

7 FAQ For Pharmaceutical Factory Constant Temperature Warehouse Investors

Q1 What’s the core difference between pharmaceutical GSP warehouse and ordinary fruit cold storage?

A Medicine storage belongs YMYL high-standard scenario, mandatory requirements include dual backup refrigeration, long-term non-editable data recording, strict temperature fluctuation limit, sanitary anti-mildew structure and complete validation documents; ordinary agricultural cold storage has no supervision traceability and redundant equipment mandatory rules.

Q2 Is 120mm PU panel enough for Jiangsu high-humidity pharmaceutical warehouse?

A Yes. Matching full double-layer vapor barrier can effectively block external heat and moisture. For southern coastal cities with higher annual temperature, we will upgrade to 150mm insulation panels as customized scheme.

Q3 What validation documents need to be delivered together after pharmaceutical cold storage completion?

A Full set DQ (Design Qualification), IQ (Installation Qualification), OQ (Operation Qualification), PQ (Performance Qualification) temperature mapping test reports, which are core materials for NMPA GSP inspection.

Q4 How to reduce long-term operating electricity cost of large pharmaceutical constant temperature warehouse?

A Adopt variable frequency screw compressors + peak-valley power automatic scheduling system, install full vapor barrier insulation, set air curtain buffer doors to reduce cold loss, and arrange regular seasonal equipment maintenance.

Custom Pharmaceutical Cold Storage Inquiry

If you need GMP/GSP compliant constant temperature & humidity warehouse EPC design for pharmaceutical groups, raw material factories and medical device enterprises in Jiangsu, Zhejiang, Anhui and other southern high-humidity regions, send your storage volume, target temperature range and drug storage varieties to obtain free layout drawing, full equipment quotation and compliance validation scheme.

Construction & Completion Photos