Wangjiahuan Shenzhen: 11,000 m³ Fresh Produce Cold Chain Logistics Warehouse Construction Project

1. Project Overview

Client: Wangjiahuan Group (Top 3 Chinese fresh food logistics provider)

Location: Shenzhen, China

Capacity: 11,000m³ Integrated Distribution Hub

Completion: Jan 2023

Core Requirements:

8 Custom Chambers: 2x Chilled (2-8°C), 2x Frozen (-18°C), 4x Processing (15-20°C)
Centralized IoT monitoring
Energy consumption ≤0.85 kW/m³
Integration with ERP for B2B distribution

2. Precision Temperature Zone Engineering

Zone Type	Equipment	Performance Data
Chilled (2-8°C)	Emerson Copeland Scroll Compressors	COP 4.1 @5°C
Frozen (-18°C)	Frigoacciai Pistion Compressors (Italy)	98% uptime @ -25°C ambient
Processing (15-20°C)	Emerson Copeland Scroll + KAYDI DD-series evaporators	±0.3°C uniformity

Evaporators:

KAYDI DD-series (Chilled/Frozen) – 22m air throw, 55dB noise
KAYDI DL-series (Processing) – EC fans, 30% energy saving

3. Advanced Materials & Safety Systems

(A) Thermal Envelope

Zone	Wall/Ceiling	Floor
Chilled	100mm PUF (λ=0.023 W/m·K)	150mm XPS
Frozen	150mm PUF (λ=0.020 W/m·K)	200mm XPS
Processing	50mm PUF (λ=0.025 W/m·K)	100mm XPS

*All panels: B1 fire-rated, 0.5mm steel skin*

(B) Access Control

Doors: Electrically operated sliding doors with:
- Anti-condensation heating
- Emergency release (EN 16005 certified)
- 0.8mm double-sided color steel
Air Curtains: Yongxing Diamond series – 2300mm coverage, copper motor windings

4. Client Profile: Wangjiahuan Group

Wangjiahuan Agricultural Products Group Co., Ltd. is a large-scale, nationwide agricultural enterprise in China. The company operates across six major business areas: agricultural product cultivation, logistics distribution, clean vegetable processing, catering management, e-commerce, and central kitchen services.
It is recognized as one of the most influential agricultural logistics companies in China, with a strong focus on efficiency, food safety, and quality control.