Expertly manufactured systems engineered for the rugged demands of East Africa’s industrial sectors.
As Kenya pushes aggressively forward under its industrialization roadmaps (including the Big Four Agenda legacies and Vision 2030), manufacturing, agro-processing, geothermal energy generation, and infrastructure development are growing at unprecedented rates. Major transport pipelines, the Port of Mombasa expansion, agricultural hubs in Rift Valley, and the Olkaria geothermal fields demand machinery that operates under severe conditions.
Heavy machinery parts are exposed to abrasive dust, intense friction, chemical corrosion, and high thermal loads. Traditionally, replacement parts had to be imported from Europe or Asia, incurring high freight costs, customs duties, and long downtime. Laser cladding (DED - Directed Energy Deposition) offers a localized, highly advanced solution that allows Kenyan industries to repair, resurface, and upgrade critical machine components locally instead of replacing them.
By using precise laser energy to melt alloy powders onto the surface of base metals, our systems create a metallurgical bond with minimal dilution. This results in components that outlast their original design life by up to 300%, lowering operational overheads for local enterprises.
Shanghai Duomu has been a leading manufacturer and exporter of PTA cladding machine and Laser cladding machine for more than ten years with a strong technical background. Our presence stretches across Southeast Asia, the Middle East, and now deeply services the growing East African markets with Nairobi serving as our primary regional logistics and service focal point.
We boast an independent R&D team, which develops, produces and sells plasma cladding machine equipment. The welding machine has stable performance and can maintain efficient long-term operation. In addition, the laser cladding equipment sold by the company can effectively support large-scale remanufacturing projects. We have mature technological means to provide complete sets of industrial equipment solutions.
Our surface coating systems are optimized for the key pillars of East African economic infrastructure.
At present, the company's products have penetrated into many fields such as aerospace military industry, nuclear power, petrochemical industry, coal mines, metallurgy and forging, agriculture, water conservancy and electric power, etc. In Kenya, our machinery is highly relevant to sugar milling shredder hammers, tea processing CTC rollers, geothermal turbine blades in Olkaria, and port excavator buckets in Mombasa.
Understanding the metallurgical differences to maximize return on investment (ROI).
| Process Parameter | Laser Cladding (DED) | PTA Cladding (Plasma) | Thermal Spraying (HVOF) | Manual Arc Welding (SMAW) |
|---|---|---|---|---|
| Heat Input | Extremely Low (Controlled) | Moderate | Very Low | Extremely High |
| Dilution Rate | < 3% - 5% (Pure coating) | 5% - 10% | 0% (Mechanical bond) | 15% - 30% |
| Bonding Type | Metallurgical (High strength) | Metallurgical | Mechanical (Low shear limit) | Metallurgical |
| Microstructure | Fine dendrites, high density | Dense, highly uniform | Layered, micro-porosities | Coarse grains, defects |
For operations in Nairobi, Kisumu, or Mombasa, minimizing thermal distortion of core structural elements is critical. Traditional welding techniques input so much heat that they warp components (such as hydraulic rods or turbines), requiring heavy subsequent grinding or scrapping. Laser cladding operates with localized heat, melting a micro-thin layer of the base substrate to form an indestructible chemical bond without structural distortion. The low dilution ensures that the expensive cobalt-base or nickel-base alloy applied on the outer layer maintains its pure wear-resistant profile directly from the first fraction of a millimeter.
We can provide customized equipment, automatic laser cladding equipment, automatic plasma cladding equipment, intelligent robot cladding equipment, etc. according to customers' requirements, including special equipment in the industry, such as hydraulic rod cladding machine, pick cladding machine, valve cladding machine, etc.
Engineered for high performance, ease of maintenance, and compatibility with local power grids in Kenya.
See how global enterprises and African industrial plants use our systems to achieve uptime goals.
"The PTA Welding Valve Application Guide is not just a process choice for valve manufacturers facing high wear, high corrosion, and high-temperature erosion working conditions, but also a key path to improving product competitiveness. As industries such as petrochemical, geothermal, and water distribution scale up in East Africa, our valves last three times longer."
"In industries such as mining, cement, power generation, steelmaking, chemical processing, and biomass energy, screw conveyors are often regarded as auxiliary equipment. However, maintenance data shows that they are among the most frequent causes of unplanned production downtime. Laser cladding has eliminated this issue."
"In Plasma Transferred Arc (PTA) hardfacing, achieving a high-quality overlay is not only about selecting the right alloy powder or optimizing welding parameters. One of the most critical factors that directly affects overlay performance is the dilution rate. Shanghai Duomu machines give us complete control over this variable."
"In industries such as Oil & Gas, Mining, Power Generation, Cement, and Heavy Equipment Manufacturing, hardfacing is no longer just a repair process. It has become a critical technology directly related to equipment lifespan, downtime costs, maintenance frequency, and operational success."
Get professional clarification on deployment, pricing, alloys, and local infrastructure compatibility.
Our industrial systems are configured to run on standard three-phase industrial voltage (normally 380V/415V, 50Hz). Because stability can vary, we supply integrated voltage regulation and protective stabilizer configurations to safeguard the high-precision fiber laser sources from local grid variations.
Tea CTC rollers and agricultural tines wear down rapidly under the abrasive silica in soil and vegetation. Cladding these components with tungsten carbide or cobalt-base alloys extends their operational lifetime by 3 to 4 times. This minimizes shut-downs during the peak harvesting seasons, saving millions of Shillings in lost productivity.
PTA (Plasma Transferred Arc) uses a concentrated plasma arc as the heat source, delivering high deposition rates at a moderate dilution rate (5-10%). Laser cladding uses a precise fiber laser source which offers extremely low dilution rates (<5%), narrow heat-affected zones, and minimal component deformation, making it best for high-precision shafts, bearings, and impellers.
Yes, we specialize in custom manufacturing. We supply automatic laser cladding systems with dedicated rotary chucks and multi-axis gantries optimized for hardfacing long geothermal drill pipes, stabilizers, and hydraulic pistons operating under acidic conditions common in Geothermal fields.
We provide complete factory acceptance testing (FAT) before shipment. Upon delivery to your Kenyan facility, we send skilled automation engineers to install the equipment, calibrate the laser/PTA profiles, and conduct full operational and metallurgical training for your local engineers.
For inquiries about our laser cladding equipment, PTA welders, or to receive a detailed technical quote customized for your factory floor in Kenya, please leave us a message. Our technical sales team will reply to you within 24 hours.
Duomu
