40+ Years of Excellence · Customer First

DELIVERING PREMIUM
MODULAR STEEL BUILDINGS

Engineered with high-precision software and rigorous structural analysis to provide highly accurate, secure, and stable modular steel building solutions.

OUR ADVANTAGES

TOPK Modular Steel Container Buildings — A revolutionary building module manufactured to strict shipping container standards.

Designed using CREO software and advanced engineering analysis, our modules offer exceptional accuracy, safety, and stability.

TOPK building modules are versatile and built for extreme conditions. Beyond traditional applications, they are ideal for earthquake and hurricane-prone regions.

1. WEATHER-RESISTANT STEEL

Weather-Resistant Steel 1

TOPK has secured incredible high-volume pricing, allowing us to produce steel building modules at a lower cost than standard wood frames in many cases. These volume savings are always passed on to our customers!

Weather-Resistant Steel 2

Steel framing is the ultimate choice for construction. It prevents rot, mold, warping, and pest damage from compromising structural integrity, and it easily withstands severe weather like high winds and heavy snow.

Weather-Resistant Steel 3

When comparing the strength of wood versus metal, there is no comparison. Steel frames are significantly stronger and lighter. A steel structure is typically 20% to 30% lighter than a comparable wooden one.

2. SAFETY & LOAD TESTING

Safety Testing 1
  • Max Payload:2,200 kg
  • Racking Test Force:37,500 Newtons
  • Weight:3,300 kg
  • Allowable Stacking Load:11,000 kg
Safety Testing 2
  • Max Payload:6,300 kg
  • Racking Test Force:37,500 Newtons
  • Weight:3,700 kg
  • Allowable Stacking Load:20,000 kg
Safety Testing 3
  • Max Payload:5,000 kg
  • Racking Test Force:37,500 Newtons
  • Weight:3,500 kg
  • Allowable Stacking Load:17,000 kg

3. STRUCTURAL DETAILS

Structural Details 1

1. TOPK applies premium polyurethane foam insulation tailored to your climate requirements.

Structural Details 2

2. Modules can be fully customized with a variety of structural finishes and architectural designs.

Structural Details 3

3. We use only premium-grade steel frames, custom-designed to spec, tracking quality down to the finest detail to ensure zero defects.

4. EXTERIOR COATING & CERTIFICATIONS

Coating Process

1. Modules feature a dual-layer zinc primer and three layers of RAL topcoat (110μ), with a reinforced anti-corrosion chassis (175μ). Our exclusive double-baking process creates a non-toxic, glossy, and highly durable finish. Built to endure harsh environments, backed by a comprehensive 5-year warranty.

CCS Certification

2. Fully certified by the authoritative China Classification Society (CCS). This guarantees every module meets the highest maritime safety and quality standards—from structural strength and weld integrity to wave and corrosion resistance. Whether placed in extreme cold, high humidity, or high-salinity coastal areas, CCS certification guarantees maximum lifespan and ultimate safety.

Discover TOPK

PROJECT GALLERY

Explore container building projects successfully delivered worldwide. Click the images to view more details.

US S40-C4 Project
GALLERY

US S40-C4 PROJECT

New Zealand S20 Project
GALLERY

NEW ZEALAND S20 PROJECT

US S40 Apartment Project
GALLERY

US S40 APARTMENT PROJECT

Europe S40-C2 Project
GALLERY

EUROPE S40-C2 PROJECT

US S40 Project
GALLERY

US S40 PROJECT

US S40-C8 Project
GALLERY

US S40-C8 PROJECT