One source for
construction, materials
& property.
GuoNa Nexus sources certified cables, pumps, tires, pipes and hardware, and builds and manages the properties they go into — under one roof, with no middleman markups.
Materials sourcing and site execution, under one roof.
GuoNa Nexus Co. Ltd is a premier, fully integrated construction, hardware supply, and property management enterprise. We bridge high-quality construction material sourcing with end-to-end site execution and facility management — delivering reliable, cost-effective, and sustainable solutions for developers, homebuilders, and property owners across Tanzania.
We import and stock directly from ISO-certified manufacturers and maintain ready inventory in our Kawe, Dar es Salaam warehouse, so contractors, municipalities, mining and agricultural operations get fast dispatch without a chain of middlemen. We deal mainly in wholesale, with retail also available, and have supplied 100+ customers to date.
Comprehensive services, from sourcing to handover.
Seven services that cover a project from feasibility through to ongoing management.
Material Sourcing & Supply
General Contractor
Property Management
Facility Management
Project Consultancy
Sustainable Building Solutions
Interior Design
Stocked, certified, ready to dispatch.
All wires & cables, pumps, tires, pipes, and hardware — ready stock in our Dar es Salaam warehouse.
All kinds and sizes of electrical cable for domestic, commercial, industrial and utility power grid projects, with custom cut-to-length orders and heavy wooden drums dispatched with precision.
TZS 1518TZS 1912IEC 60228IEC 60502BS 6004| Cable Type | Sizes (mm²) | Application |
|---|---|---|
| Single Core BV / CU | 1.5 – 400 | Conduit & distribution board wiring |
| Twin Flat Cable | 1.0 – 16.0 | Socket outlets, light switches |
| Flexible Copper Cable | 0.75 – 25.0 | Appliances, generators, control panels |
| 4-Core Armoured (SWA) | 1.5 – 300 | Direct burial, underground mains |
| Submersible Flat Cable | 1.5 – 50.0 | Deep-well borehole pumps |
| ACSR / ABC Overhead | 25 – 400 | Overhead distribution & transmission |
Every kind of pump for fluid handling, irrigation, deep-well extraction, construction dewatering, high-viscosity mud pumping, and diesel fuel transfer.
0.5 HP – 100 HPUp to 450m headSS 304/316| Category | Power / Capacity | Application |
|---|---|---|
| Borehole Submersible | 0.37 – 75 kW | Deep well extraction, farm irrigation |
| Diesel High-Pressure | 5.5 – 35 HP | Flood irrigation, remote dewatering |
| Mud, Sewage & Slurry | 1.5 – 45 kW | Foundation dewatering, mining slurry |
| Centrifugal & Booster | 0.5 – 50 HP | Water boosting, firefighting systems |
| Fuel & Chemical Transfer | 40 – 300 L/min | Fleet refuelling, lubricant transfer |
| Solar Water Pumping | 300W – 30kW | Off-grid supply, livestock watering |
Heavy tires engineered for high-load durability, puncture resistance, and tropical heat dissipation on East African roads and rugged mining terrain.
18 – 36 PRRadial & bias| Class | Ply Rating | Use |
|---|---|---|
| Commercial Truck & Bus | 18–22 PR | Highway payloads, gravel roads |
| OTR Mining & Earthmoving | 20–36 PR | Quarries, mines, dump trucks |
| Agricultural Tractor | 8–14 PR | Mud traction, soil flotation |
| Forklift, Crane & Port | 14–24 PR | Warehouses, container handling |
| Inner Tubes & Flaps | 16"–38" rims | Butyl rubber, all matching sizes |
All types and pressure classes of pipe for municipal water mains, farm irrigation, sewer drainage, industrial chemical transport, and cable conduit work.
ISO 4427DIN 807450+ yr lifespan| Material | Diameter Range | Use |
|---|---|---|
| HDPE PE100 | 20 – 630mm | Underground trenching, municipal water |
| PVC-U Pressure & Drainage | 20 – 400mm | Pressure mains, soil & waste drainage |
| PPR Copolymer | 20 – 110mm | Hot/cold water, residential plumbing |
| Galvanized Iron / Stainless | ½" – 8" | Fire-resistant mains, outdoor rust protection |
| Corrugated HDPE Culvert | DN 200–1200mm | Road drainage, replaces concrete culverts |
A complete lineup of industrial hardware and building supplies, stocked alongside cables, pumps, tires and pipes for one turnkey procurement solution.
Grade 500 TMTGrade 8.8 / 10.9| Category | Range | Includes |
|---|---|---|
| Structural Steel | 8 – 32mm rebar | I-beams, H-beams, angle irons, hollow sections |
| Switchgear & Valves | DN50 – DN600 | Gate, butterfly & check valves, MCB/MCCB/ACB |
| Machinery & Power Tools | 10 – 1000 kVA | Generators, welding sets, grinders, drills |
| Site Safety & Fasteners | Grade 8.8/10.9 | PPE, boots, helmets, bolts, anchor bolts |
Certified stock, local warehouse, direct dispatch.
Based strategically in Dar es Salaam, we're a stocking distributor and official supply agent for high-capacity, heavy-duty equipment and materials across Tanzania and East Africa — for infrastructure, agriculture, mining, commercial and residential projects.
- Direct manufacturer partnerships — genuine products, factory test certificates, no middleman markups
- Local inventory in Kawe, Dar es Salaam across all cable gauges, pump ratings, tire sizes and pipe diameters
- Wholesale-focused pricing and bulk order handling, with retail purchases also welcome
- 100+ customers served — contractors, municipalities, mining, agriculture and utilities
- Technical sales engineering team for quotes, precise sizing, and Proforma Invoices
Request a quotation or place an order.
Our technical sales team is ready with fast quotes, precise sizing, delivery logistics and Proforma Invoices.
- PHONE0723 692 2260723 777 607 · 0762 679 9999
- EMAIL
- LOCATIONHead Office & Distribution Warehouse, Kawe, Dar es Salaam, Tanzania
- SOCIAL
Prefer email? Write directly to guonanexus@gmail.com — this form opens your email client with the details pre-filled.