Engineering Cases

Real deliveries. Real factories.

From container loading to on-site installation and workshop testing — every stage of a Gongrui delivery, captured with real customers worldwide.

Video

Workshop Test Video

Every machine is tested under load in our workshop before shipment. Auto-muted playback (browser-safe) — request the full HD test video for your specific machine on WhatsApp.

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01 — Customer Requirements

Example proposal · Brazil buyer, Nigeria install

Based on the client's inquiry, the project required a complete production setup with the following specifications:

Product

Common Wire Nails

Nail Length

25 mm – 70 mm

Wire Diameter

1.4 – 3.1 mm

Expected Output

2 – 3 Tons / Day

Power Supply

380V / 50Hz / 3 Phase

Installation

Nigeria

02 — Recommended Configurations

Two configurations · One result

From a small startup plant to a mid-scale nail factory — two complete plans to choose from.

Plan A · Small Startup Factory

Single production line — the most common quoted configuration

Full equipment list + HS codes
EquipmentFunctionModel / Ref.PowerChina HSBrazil NCM
Water-tank Wire Drawing MachineDraws coil rod into fine wire for nail makingMatches 2 nail machines18.5 kW84631020008463.10.20
Passive Pay-off StandHolds wire coils and feeds smoothly to prevent tanglesPaired with drawing / nail machinesNo motor84669400008466.94.00
Nail-Making Machines (×2)Cold-heading round nails, forming head & cutting point750~860 pcs/min each7.5 kW each84633000008463.30.00
Rotary Polishing DrumRemoves burrs, rust and brightens the nails500 kg per batch3 kW84798999908479.89.99
Tool Grinder / Die FittingsRegrinds punches and cuttersSmall bench-top1.5 kW84603190008460.31.90
Packing Aux. + RacksSorting, packing and stacking finished nailsSimple, customized--Accessory declarationClassified with line

Facility requirements

  • Total workshop area ≥ 220–280 m² (raw material / drawing / nail / polish / finished / tool room)
  • Total installed power ≈ 45 kW, transformer ≥ 50 kVA 3-phase industrial supply
  • Staffing: 3 people cover a shift (1 operator · 1 helper · 1 admin/sales)
  • Water: simple recirculating pool for drawing lubrication/cooling — no heavy effluent treatment

Capacity & investment estimate

  • Daily output (8 h): 7–9 tons of finished round nails
  • Monthly output: 210–270 tons
  • Applicable products: construction wire nails, furniture nails, packing nails
Recommended

Plan B · Mid-Scale Nail Factory

2 complete production lines — stable wholesale distribution

Full-line equipment

  1. Twin high-speed wire drawing sets ×2 (total 42 kW)
  2. Matching pay-off stands ×4
  3. High-speed intelligent nail machines ×4 (PLC, weighing module, digital counting)
  4. Large polishing drums ×2
  5. Automatic sorting/screening (bent / defective removal)
  6. Auto weighing & packing machine, die-sharpener, full spare-parts pack

Facility & capacity

  • Workshop area: 550–700 m²
  • Total load ≈ 110 kW, transformer ≥ 125 kVA
  • Staff: 6–7 people, two shifts
  • Daily output: 16–20 tons, monthly 500–600 tons
  • Includes separate raw / finished / maintenance / office areas

Consumables & auxiliary materials

  1. Drawing lubricant powder, saponification liquid, cooling water additives
  2. Nail machine wear parts: punches, cutters, dies, springs, bearing seals
  3. Polishing media & polishing powder
  4. Packing woven bags, labels, stretch film, strapping
  5. Maintenance tools, lubricants, hydraulic oil, rags & consumables
Production Process

From steel wire to finished nails — 7-step full flow

HS code summary (finished nails / high-speed nail machine / wire drawing machine) and “buy machine vs buy nails” tariff comparison.

View process
Technical Advantages

Why the line performs

  • Stable mechanical transmission
  • High-speed production
  • Low maintenance cost
  • Long service life
  • Easy operation
  • Spare parts available
  • Remote technical support
Package Included

What ships with the line

  • Machine body
  • Standard nail dies
  • Punches
  • Tool kit
  • Operation manual
  • Electrical diagram
  • Spare parts package
Commercial Terms

FOB Guangzhou

Quotation term

20 – 30 days

Lead time

30% + 70%

Deposit + before shipment

12 months

Warranty after shipment

After-Sales Service

Support that travels with the machine

Online installation guidance

Operation training

Spare parts supply

Technical support

Video assistance

On-site Photos

Real customers, real factory acceptance

Get a turnkey proposal for your factory

Tell us your target output, wire range and installation country — we'll prepare a tailored equipment list, capacity estimate and quotation.

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