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SERCONTAINER Modular Containers & Frame Systems
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How to Set Up a Regional Container Assembly Workshop: HS 7308.90 Bolted Steel Chassis + Local Sandwich Panel Economics

Complete B2B business & engineering blueprint for steel workshops, panel dealers, and importers: assemble 4–6 modular containers per day without roll-forming machinery or welding by pairing SerContainer bolted frame kits (20–26 sets/TIR) with local cladding.

Architect İdris YAĞMAHAN & Civil Engineer Celalettin YAĞMAHAN · 2026-10-28 · 8 min
How to Set Up a Regional Container Assembly Workshop: HS 7308.90 Bolted Steel Chassis + Local Sandwich Panel Economics

1. Why Regional Container Workshops Outcompete Long-Distance Assembled Imports

Shipping an assembled 3×7 m container 1,500–3,000 km means paying to transport ~45 m³ of empty air (only 2 units per truck). Regional entrepreneurs across Europe, the Balkans, Iraq/Gulf, and Africa capture 25–40% higher net margin through a hybrid OEM model:

  • Zero Heavy Machinery CapEx: Instead of investing $250,000+ in CNC roll-forming lines, press brakes, and welding fixtures, import precision-punched SerContainer bolted chassis kits under HS 7308.90 (starting at 40.000 TL; 3×7 m Galvanized at 60.000 TL).
  • 13x Freight Compression: Load 26 flat-roof 3×7 m or 2.4×6 m frame kits onto a single 13.60 m TIR (vs. only 2 assembled containers), slashing cross-border transport cost per unit by ~85%.
  • 0% Franchise / Royalty Freedom: Sell finished containers under your own brand name for local construction camps, municipalities, and retail buyers while sourcing bulky 1,000 mm sandwich panels, 16 mm Betopan, and PVC doors/windows locally.

2. Workshop Setup Requirements, Cycle Time & Unit Economics (3×7 m Benchmark)

Operational Parameter Traditional Welded Fabrication Importing Assembled Units SerContainer OEM Chassis + Local Panel Model
Required Floor Space 1,000+ m² + paint booth + smoke extraction Open storage yard + heavy crane 250 – 400 m² covered bay + 2.5t forklift
Hand Tools Required MIG/MAG welders, grinders, jigs, paint guns Crane spreader bar only 19 mm impact wrench (M12 bolts), drill, rivet & silicone gun
Frame Assembly Time 8 – 12 man-hours (cutting, welding, grinding, priming) 0 hrs (arrives built) 45 – 60 minutes with 2 technicians (100% weld-free)
Complete Cladding + MEP Time 6 – 8 hours 0 hrs 3 – 4 hours with standard 1,000 mm panels & surface wiring
Units Shipped per 13.6m TIR Raw steel coils 2 Assembled Units 26 Complete 3×7 m Flat-Roof Frame Kits
Customs Tariff Heading Raw steel coil import rules HS 9406.90 (Prefabricated Building) HS 7308.90 (Steel Structure — 0% EU A.TR)

3. Standard Local Bill of Materials (BOM) Needed per 3.00 × 7.00 m Frame Kit

To finish one FR-G-W3000-L7000 (60.000 TL) chassis locally, a workshop typically installs ~50 m² of 40–50 mm wall sandwich panels (1,000 mm modular width), ~21 m² of roof insulation/trapezoidal sheet or roof panel, ~21 m² of 16 mm Betopan floor boards + PVC vinyl, 1 steel exterior door, 2 PVC windows, and surface-mounted LED/breaker kit — exact panel counts for all 18 sizes are pre-calculated in our online Assembly & Panel BOM Calculator. (110-Model Price List (PDF) · Frame Assembly & BOM Calculator).

4. How to Launch Your First Pilot Lot (10 or 20 Sets)

New workshops typically start with a 10-set pilot order of FR-G-W3000-L7000 (3×7 m Galvanized) or a full 26-set TIR load to minimize freight per chassis, backed by our step-by-step SC-ENG-05 assembly manual and direct WhatsApp engineering support (+90 505 507 04 18). (Request a Quote · Dealership & Distributorship).

Reference Models & Open Factory Prices (EXW Gebze)

Series Code spec.dimensions spec.weight Unit Price (EXW / FCA Gebze) MOQ Rule
FR-G-W3000-L7000 3.00 × 7.00 m 341 kg 60.000 TL Min. 10 Sets (3×7 m Galvanized)
GR-G-W3000-L7000 3.00 × 7.00 m 392 kg 85.000 TL Min. 10 Sets (3×7 m Galvanized)
FR-G-W2400-L6000 2.40 × 6.00 m 279 kg 50.000 TL Min. 20 Sets (Per Model)
FR-G-W3000-L6000 3.00 × 6.00 m 302 kg 55.000 TL Min. 20 Sets (Per Model)
FR-G-W2400-L4000 2.40 × 4.00 m 216 kg 40.000 TL Min. 20 Sets (Per Model)
ENGINEERING & BUYING GUIDES · 9

Technical Selection, Insulation & Freight Guides

All Technical Guides (9) →
FAQ · SerContainer

Frequently Asked Technical & Export Questions

Do we need welding machines or skilled welders to assemble SerContainer steel frame kits?

No. Every chassis beam, corner column, and roof purlin arrives CNC-formed and pre-punched with M12 Grade 8.8 bolt sets and Ø35 mm crane lifting lugs. Two technicians assemble one structural skeleton in 45–60 minutes using standard 19 mm impact wrenches.

Does SerContainer charge franchise fees, royalties, or brand restrictions?

Zero franchise or royalty fees. Regional workshops, panel distributors, and construction companies are free to clad our steel frames locally and sell finished containers under their own brand name.

What comes inside a standard HS 7308.90 container frame kit bundle?

Each kit includes the bottom chassis perimeter & cross-bearers, top roof frame & purlins/trusses, 4 or 6 structural columns, rainwater drainage channel profile, Ø35 mm lifting lugs, and the full M12 bolt/nut/washer hardware set. Panels, floor boards, doors, windows, and wiring are sourced locally (or ordered as a separate HS 9406.90 Flat-Pack).

How many finished containers can a small 300 m² workshop produce per week?

With two 2-person assembly teams working parallel stations, a compact 300 m² workshop routinely completes 4 to 6 finished modular containers per day (20–30 units per week) from a single TIR shipment of frame kits.

What is the minimum investment order to test local assembly?

You can start with a 10-set pilot order on our 3.00 × 7.00 m Galvanized models (FR-G-W3000-L7000 at 60.000 TL or GR-G-W3000-L7000 at 85.000 TL), or 20 sets per model on any of our other 70 sizes.

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