High-efficiency power infrastructure components built to exceed RETIE certification and global standards.
Colombia is undergoing an unprecedented modernization of its electrical grid. Managed by XM (the system operator) and driven by the Ministry of Mines and Energy alongside UPME (Unidad de Planeación Minero Energética), the country is executing a comprehensive energy expansion plan. Central to this transition is integrating solar PV plants in departments like La Guajira, Cesar, and Atlántico, alongside grid reinforcement projects in major hubs like Bogotá, Medellín, and Cali.
Such massive grid updates demand exceptional electrical performance. Transformers in Colombia must comply with RETIE (Reglamento Técnico de Instalaciones Eléctricas) regulations, requiring stringent quality control, resistance to high-elevation atmospheric pressures (particularly in the Andean regions), and reliable performance in tropical humidity. Commercial operators, regional utilities (EPM, Enel Colombia, Celsia), and industrial plants face the dual pressure of cutting operational distribution losses while enhancing power reliability.
Partnering with China’s leading manufacturing technology providers allows local companies and EPC contractors to source both high-end finished transformers and state-of-the-art transformer manufacturing machinery (coil winders, core cutting lines) to assemble premium-grade power solutions within Colombia.
On the shores of the picturesque Taihu Lake lies Wuxi, known as the "Land of Fish and Rice." This beautiful land has nurtured Wuxi Shuhong Machinery Technology Co., Ltd. Since its establishment in 2018, Shuhong Machinery has consistently prioritized technological innovation and quality service, steadily advancing in the fields of electrical and plastic machinery, becoming a high-tech enterprise with both strength and reputation.
Shuhong Machinery originated from its founder’s insight into machinery manufacturing. With over a decade in the industry (progressing from front-line technical roles to senior management), the founder witnessed domestic machinery shift from "following" to "running alongside" global peers, sensing the urgent global need for energy-efficient, intelligent upgrades. During a State Grid project exchange, the founder found traditional transformers flawed in temperature control and service life (harming power stability, raising costs) and noted new energy’s higher equipment demands—thus focusing on R&D and manufacturing of high-efficiency, energy-saving transformers.
Overcoming funding and technical hurdles, the team worked day and night in labs and workshops on prototypes and optimization, finally developing an advanced transformer with 30% lower temperature rise and a 15-year lifespan, winning high international and domestic client recognition.
Adapting transformer technologies to Colombia's complex geographical and regulatory landscapes.
Solar plants in La Guajira and wind parks require step-up transformers capable of handling harmonics and transient overvoltages. Our custom planar wound core transformers and 3D triangular rolled core models manage high thermal stresses, ensuring seamless integration with the grid.
In municipal hubs like Bogotá and Medellín, safety, noise limits, and space limits are critical. Our environmentally friendly dry-type transformers are leak-free and flame-retardant, providing safe distribution within high-rise buildings and underground commercial substations.
Operations in Ecopetrol-managed sites and regional mining plants require robust, oil-immersed cooling transformers. Engineered with double vacuum drying and precision coil-winding, these units withstand high mechanical shock loads and harsh environmental conditions.
After years of development, Shuhong Machinery has established a complete R&D-design-production-sales-service industrial chain, with a professional R&D team and modern factories ensuring product quality. Focused on technical innovation, the company leads in insulation design and temperature control. Our products have passed State Grid and international certifications, supplying over 2,000 substations and boosting global power and new energy sectors.
By producing advanced manufacturing machinery (foil winders, core cutting lines) alongside finished distribution transformers, we provide Colombian factories with two paths: direct sourcing of high-performance units or importing production machinery to build a localized manufacturing facility in Colombia.
Furthermore, our team has a comprehensive training system for different technical roles and actively participates in global industry exchanges. We break departmental barriers through cross-functional collaboration, utilizing an advanced project management system and standardizing operational excellence across every step of our logistics chain.
Every stage is engineered for efficiency, insulation durability, and thermal management.
Material Cutting
Winding
Annealing
Coil Winding
Assemble
Dry
Oil Injection
Testing
Wuxi Shuhong Machinery maintains an rigorous quality control path. We ensure raw materials—including cold-rolled grain-oriented silicon steel sheets and premium insulated copper coils—meet high standards before processing. Our manufacturing involves precision cutting on automated CNC cross-cutting lines to minimize core loss. During coil winding, high and low voltage horizontal winding machinery is used to prevent loose space factors that lead to electromagnetic vibrations.
Post-assembly, the transformer core undergoes high-temperature vacuum annealing to release mechanical stress and lower core losses. The assembled transformer undergoes vacuum drying to extract moisture, followed by oil injection in a controlled chamber. Every transformer undergoes comprehensive electrical tests (dielectric, transformer ratio, load loss, temperature rise, and partial discharge) to guarantee compliance before shipment.
Empowering local Colombian transformer factories to build high-efficiency power infrastructure internally.
Customer Reviews Demonstrate Brand Strength: Since its establishment, Shuhong Machinery has prioritized meeting customer needs, winning wide acclaim with cutting-edge technology, timely service, and compliance. Global EPC contractors in South America and Southeast Asia praise our ability to customize voltage tap changers, bush dimensions, and core topologies to local requirements.
Staying True to Our Original Aspiration and Striving for Greater Goals: Looking forward, Shuhong Machinery will uphold its business philosophy of "People-oriented, Integrity-driven, Collaborative Innovation, and Quality First." We will continue to deepen our focus on electrical and plastics machinery, boosting R&D investment to strengthen core technologies, and launching more efficient, energy-saving, and intelligent products.
We are actively expanding domestic and international markets, cooperating with global industry leaders, and striving to build an internationally competitive machinery brand to contribute further to machinery manufacturing and the global energy sector.
Explore our technical portfolio of industrial transformers and processing hardware.
Technical answers for procurement managers, electrical engineers, and EPC contractors.
Yes. Our transformers and machinery comply with Colombia's RETIE (Reglamento Técnico de Instalaciones Eléctricas) safety standards. We provide technical documentation, test reports, and certifications showing compatibility with Colombian grid standards (including 60 Hz operating frequency and local voltage vectors).
3D triangular rolled cores utilize a symmetrical three-phase structure that reduces no-load loss by up to 25-30% and reduces excitation currents compared to traditional planar stacked designs. They offer balanced magnetic paths, lower noise levels, and compact dimensions, making them suited for congested metropolitan grids in Bogotá or Medellín.
We work with international logistics providers to coordinate containerized or bulk break-bulk ocean shipping directly to major Colombian ports, including Buenaventura (Pacific Coast) and Cartagena/Barranquilla (Caribbean Coast). Heavy transformer manufacturing machinery is secured in ocean containers to prevent corrosion and physical damage.
Yes, our design team optimizes creepage distances and insulation properties to account for air de-rating at high altitudes (e.g., Bogotá at 2,640 meters). This ensures long operational lifespans and prevents flashover failures.
Standard production times range from 45 to 60 days, depending on voltage rating, raw material specifications (such as copper vs. aluminum windings), and volume. Shipping to Colombia takes approximately 30-40 days via ocean routes.
Get in touch with our design engineers today to discuss RETIE-compliant designs, core machines, or to receive an instant quotation.
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