DOTCO‑CHEMTRANS provides safe, reliable and financially efficient road logistics for sulphuric acid and key mining chemicals into the Copperbelt and Katanga regions. We combine cross‑border trucking, secure supply, and flexible trade finance to keep your operations running on spec and on time.
Who We Are
Two specialist firms. One integrated capability. DOTCO‑CHEMTRANS brings together deep regional knowledge, proven logistics infrastructure, and structured trade finance to serve the Copperbelt's most demanding industrial clients.
Onyx Global (DOTCO)
Onyx Global is a commodity trading and structured finance house with a track record in mining inputs, chemical off‑take, and working capital solutions across Sub‑Saharan Africa. Operating as DOTCO within this venture, Onyx brings:
- Origination and structuring of chemical supply contracts
- Trade finance and working capital facilities tailored to mining cycles
- Off‑take agreements and supply security for sulphuric acid and ancillary mining chemicals
- Regional banking and compliance relationships
- Deep understanding of DRC and Zambia regulatory and commercial environments
Copa Trans (CTZ)
Copa Trans is an established hazardous‑goods road transport operator with operational presence along the Zambia–DRC corridor. Copa Trans contributes:
- Licensed and fully compliant hazardous chemical road tanker fleet
- Experienced drivers trained to ADR/equivalent standards for acid and chemical haulage
- Operational infrastructure at key border crossings including Kasumbalesa and Mokambo
- Track record of safe, on‑time delivery to mines and smelters in Katanga and the Copperbelt
- Workshop, maintenance and 24/7 fleet oversight capability
Together, we align product, trucks and capital to deliver an integrated service tailored to Copperbelt mining and industrial clients.
What We Do
Our service model is built around four integrated pillars — each designed to remove friction, reduce risk, and deliver reliability across the Zambia–DRC supply chain.
Hazardous Chemical Road Transport
Safe, compliant, and efficient road haulage of sulphuric acid and other hazardous mining chemicals along the Zambia–DRC corridor.
- Dedicated acid tanker fleet, maintained to OEM and regulatory standards
- ADR‑equivalent driver certification and ongoing safety training
- Route planning optimised for load security, border efficiency, and delivery windows
- Real‑time fleet tracking and client reporting
- Emergency response protocols and spill containment procedures
Mining Chemical Supply & Off‑Take
Structured sourcing, supply agreements, and off‑take contracts for sulphuric acid, reagents, and other critical mining chemicals.
- Sulphuric acid procurement from regional smelters and producers
- Off‑take facilitation linking producers to mine consumers
- Contract structuring for volume, pricing, and delivery scheduling
- Buffer stock management and supply continuity planning
- Quality assurance and certification documentation
Integrated Trade Finance & Working Capital
Finance structures that align with mining production cycles and reduce cash‑flow pressure on chemical supply chains.
- Import finance and deferred payment structures for chemical buyers
- Receivables and off‑take‑backed working capital facilities
- Letters of credit and structured payment terms for cross‑border transactions
- Currency risk management guidance for ZMW/USD/CDF transactions
- Finance terms calibrated to smelter and mine production schedules
Cross‑Border Operations & Border Management
Dedicated cross‑border capability that minimises transit delays, ensures regulatory compliance, and reduces demurrage at key crossings.
- Operational presence and established relationships at Kasumbalesa and Mokambo border posts
- Customs clearing, documentation management, and hazmat permitting
- DRC and Zambia regulatory compliance for chemical imports and road transport
- Border queue management and transit time optimisation
- Coordination with ZCPA, RTSA, and DRC transport authorities
Who We Serve
DOTCO‑CHEMTRANS is purpose‑built for the industrial clients whose operations depend on reliable, compliant, and cost‑effective chemical logistics along the Zambia–DRC corridor.
Copper and Cobalt Mines
- Open‑pit and underground mines requiring regular sulphuric acid deliveries for SX‑EW leaching operations
- Mines seeking supply security and price certainty for acid and reagents
- Operations requiring a single, accountable logistics and supply counterparty
- Mines with complex DRC or Zambia cross‑border requirements
- Junior and mid‑tier miners needing trade finance to support chemical procurement
Smelters and Chemical Producers
- Copper and cobalt smelters generating sulphuric acid as a by‑product seeking reliable off‑take
- Chemical producers requiring distribution and logistics partners into the Copperbelt market
- Operations seeking structured off‑take contracts with finance support
- Producers looking to optimise logistics costs and transit reliability
Industrial and Agricultural Users
- Fertiliser manufacturers and blenders requiring sulphuric acid as a feedstock
- Industrial processors using acid or other bulk chemicals in production
- Agricultural chemical distributors operating in Zambia and the DRC
- Buyers requiring reliable delivery, flexible payment terms, and compliant cross‑border logistics
Why Clients Choose DOTCO‑CHEMTRANS
Operating in the Copperbelt demands more than a standard logistics provider. Our clients choose us because we understand the specific commercial, regulatory, and operational pressures of this corridor — and we have structured our entire business around solving them.
Safety and Compliance First
All transport operations are conducted to full hazardous‑goods standards. Our drivers, vehicles, and documentation meet or exceed Zambian, DRC, and internationally‑aligned requirements for acid and chemical haulage — protecting your operations, your people, and your licence to operate.
Built for Copperbelt Realities
We operate where many logistics providers struggle. Our teams and equipment are deployed on the ground, our border relationships are established, and our processes are designed for the specific demands of Katanga and Copperbelt supply chains — not generic African logistics.
Integrated Solution, One Counterparty
Supply, transport, and finance in one relationship. Clients deal with a single accountable counterparty for the full chemical supply chain — simplifying procurement, reducing coordination risk, and enabling faster resolution of operational issues.
Scalable Capacity
We structure our transport and supply capacity to scale with your production requirements. Whether you are commissioning a new leaching circuit, ramping up throughput, or managing seasonal demand variation, DOTCO‑CHEMTRANS can grow with your operational needs.
Aligned Incentives
Our business model is built on long‑term supply and logistics relationships, not transactional spot contracts. We succeed when your operations run smoothly — which means our commercial incentives are directly aligned with your delivery performance, supply continuity, and financial efficiency.
How We Work
We follow a structured, four‑stage engagement model that moves quickly from understanding your requirements to operational deployment — minimising time‑to‑delivery and ensuring every solution is properly calibrated to your specific site, route, and commercial context.
1. Assess Your Demand
We begin by understanding your chemical volumes, delivery schedules, border requirements, and working capital constraints — building a precise picture of your supply chain needs.
2. Design Your Solution
Based on your specific requirements, we structure an integrated proposal covering transport capacity, supply sourcing, trade finance terms, and cross‑border logistics management.
3. Deploy Capacity & Processes
We mobilise transport, supply, and finance resources against agreed schedules — with all documentation, border management, and operational procedures in place from day one.
4. Monitor, Report & Optimise
Throughout the contract, we provide transparent reporting on deliveries, border performance, and supply metrics — continuously refining operations to improve cost, time, and reliability outcomes.
The Corridor at a Glance
The Zambia–DRC Copperbelt corridor is one of Africa's most strategically significant industrial supply chains — and one of its most operationally demanding. Understanding the scale and complexity of this environment is central to everything DOTCO‑CHEMTRANS does.
Mining Economies
Copper and cobalt underpin over $30 billion in annual export value across Zambia and the DRC. Reliable chemical logistics are a direct enabler of this output.
Border Crossings
Kasumbalesa and Mokambo are the primary entry points for chemical logistics into DRC Katanga. DOTCO‑CHEMTRANS maintains an established operational presence at both.
Fleet Oversight
Round‑the‑clock monitoring and border coordination ensures every hazardous consignment is tracked. No delivery window is missed from origin to destination.
One Counterparty
A single, accountable relationship covers supply, transport, and finance across the corridor. This simplifies coordination and reduces risk for Copperbelt mining clients.
Our Commitment to Safe Operations
Transporting sulphuric acid and other hazardous mining chemicals along some of southern Africa's most demanding road corridors demands an uncompromising safety culture. At DOTCO‑CHEMTRANS, safety is not a compliance checkbox — it is the foundation on which every contract and every delivery is built.
Vehicle & Equipment Standards
All tankers and road transport equipment are maintained to manufacturer and regulatory specifications for hazardous chemical haulage, with scheduled inspection and maintenance records available to clients.
Driver Training & Certification
Drivers operating on acid and chemical routes hold ADR‑equivalent certification and undergo regular refresher training in hazmat handling, emergency response, and border compliance procedures.
Emergency Response Readiness
Documented emergency response plans, spill containment equipment, and established protocols with relevant authorities ensure rapid, coordinated response to any incident on the corridor.
Regulatory Compliance
Full compliance with Zambian RTSA, ZCPA, and DRC transport and environmental regulations for hazardous chemical imports, road haulage, and cross‑border movement of controlled substances.
Deep Roots in the Copperbelt
Why the Zambia–DRC Corridor Demands Specialists
The Copperbelt and Katanga mining provinces represent one of the world's greatest concentrations of copper and cobalt resources — and one of the most operationally complex logistics environments in Sub‑Saharan Africa. Road quality, border efficiency, regulatory requirements, and currency dynamics vary significantly between jurisdictions, and generic logistics providers consistently underperform in this environment.
DOTCO‑CHEMTRANS was founded specifically to address this gap. Our operational teams are deployed on the ground in Zambia and at the key DRC border crossings. Our commercial structure is designed for the financial realities of Copperbelt mining clients. And our supply relationships are built around the actual producers and off‑takers in this corridor — not distant import chains.
Zambia Copperbelt
Home to major copper mines and a growing SX‑EW leaching sector, Zambia's Copperbelt is a primary acid consumption market. DOTCO‑CHEMTRANS serves mines across the Kitwe, Ndola, and Chingola corridors.
Katanga, DRC
The Katanga mining province — centred on Lubumbashi and Kolwezi — is the world's dominant cobalt source and a major copper producer. Cross‑border logistics via Kasumbalesa is central to chemical supply for this market.
Border Crossing Expertise
Kasumbalesa and Mokambo crossings are among the busiest heavy‑goods border posts in the SADC region. Our established relationships and on‑site presence consistently deliver faster clearing times and lower demurrage exposure for our clients.
Let's Talk About Your Requirements
Whether you need guaranteed sulphuric acid deliveries into the DRC, a logistics partner for existing contracts, or a trade‑finance solution that matches your production cycle, DOTCO‑CHEMTRANS is built around the realities of operating in the Copperbelt.
Our team is ready to discuss your specific volumes, routes, and timelines — and to structure a solution that gives your operation the supply security, compliance assurance, and financial efficiency it requires. Initial consultations are confidential and obligation‑free.
Transport Capacity
Need reliable, compliant haulage for sulphuric acid or mining chemicals? Tell us your volumes, origin, destination, and delivery schedule.
Supply & Off‑Take
Looking for a structured supply agreement or an off‑take partner for acid or chemical production? We can design contracts around your operational cycle.
Trade Finance
Require working capital or deferred payment structures for chemical procurement? Our finance team can structure facilities aligned to your production and cash‑flow profile.
Specialist Sulphuric Acid & Mining Chemical Logistics for the Zambia–DRC Corridor