Black Box Investments

01/06/2026

Hello June!

25/05/2026

Happy Africa Day.

01/05/2026

Great things are never built alone, they are built by great teams.
Happy Workers Day to our amazing team!

20/04/2026

Every shift you make puts your transmission to the test. 🚗⚙️

Over time, heat, friction, and worn-out fluid take their toll, leading to rough gear changes, expensive repairs, and a shorter life for your vehicle.

Don’t wait for the warning signs. Use the right transmission oil and change it on time.

A dynamic chemical solutions provider specializing in: Mining Chemicals, Industrial Chemicals, Commodity Polymers, Water Treatment Chemicals, Agri-Chemicals, Oils & Lubricants.

18/04/2026

Happy Independence Day, Zimbabwe!🇿🇼 Today we honour the sacrifices of those who fought for our freedom and celebrate the spirit of a nation that continues to rise.

07/04/2026

Introducing Engen Xtreme S15 Hybrid 0W-20, fully synthetic engine oil engineered for petrol-electric hybrid vehicles.

A dynamic chemical solutions provider specializing in: Mining Chemicals, Industrial Chemicals, Commodity Polymers, Water Treatment Chemicals, Agri-Chemicals, Oils & Lubricants.

01/04/2026

Our offices will be closed over the Easter weekend.
Please be sure to place your orders ahead of time to keep your supplies well-stocked throughout the long weekend.

25/03/2026

💧 Pure Water. Anywhere. Anytime.

Forget infrastructure headaches. Our Containerized Water Treatment Plant brings full-scale Prefiltration + Reverse Osmosis technology straight to your site.

✅ Process-ready water, on demand.
✅ Remote or urban — we go where you go.
✅ Scalable to your exact capacity needs.
✅ Minimal setup. Maximum output.

Don't let water quality slow your operations down.
Contact us today for a capacity assessment and customized quote:
📞 +263 77 435 4503

17/03/2026

When you see the steam, that's money burning. 💨🔥
Protect your fleet with Engen Coolant. 💧

27/02/2026

Transerv now stocks Engen Lubricants!

🚗🔧Your engine deserves the best. Now, the best is closer than ever.

📍Visit your nearest Transerve branch today.