حول Milestone Electrical

Milestone (Xiong’an) Electrical Technology Co., Ltd. is a transformer engineering and manufacturing company based in Xiong’an New Area, Hebei, China. Established in 2026, the company supports power generation, utility, EPC, oil and gas, mining, and industrial projects with transformer equipment and project-related technical services.
Milestone’s core product portfolio includes power transformers, distribution transformers, oil-immersed transformers, dry-type transformers, and compact substations. Product configurations are reviewed against each project’s electrical duty and site conditions. Relevant parameters may include primary and secondary voltage, rated capacity, frequency, phase, vector group, impedance, loss requirements, cooling method, tap changer, insulation level, installation arrangement, and environmental conditions.
The company supports buyers through transformer selection, specification review, RFQ clarification, engineering coordination, manufacturing, testing documentation, and export documentation. By reviewing technical requirements and supply boundaries early, Milestone aims to help project teams reduce specification gaps, clarify quotation scope, and compare proposals on a more consistent basis.
The engineering team uses electromagnetic, thermal, and mechanical simulation methods to support design decisions. Depending on the project requirements, material and configuration options may include low-loss silicon steel, specified winding materials, suitable insulating liquids, and project-appropriate cooling and structural arrangements. Applicable IEC or GB requirements, test scope, and acceptance criteria should be defined in the project specification and confirmed in the technical proposal.
Milestone’s priority markets include Chile and other South American markets, the United Arab Emirates, Indonesia, and Nigeria. The company provides ISO 9001 quality management system information and CE conformity documentation for applicable products; the exact certificate scope and covered models should be checked against the current documents. Buyers can begin a technical review by sharing a single-line diagram, key electrical ratings, applicable standards, site conditions, and required supply scope.
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Compact Substation

Compact Substation

الموديل: YB-1500/35-0.4
المعلمات: Capacity：25kVA----15000kVA
High Voltage：10kV-35kV
Low Voltage：0.22kV-10kV
Frequency：50Hz/60Hz
Temperature：-25~-40℃
Altitude：≤1000 m
Number of Phases：Three-phase
Vector Group：Dyn11
Short-Circuit Impedance：4%~6%
Cooling Method：Oil-immersed ONAN or dry-type AN/AF
Tap Voltage Regulation：OCTC/OLTC
Protection:IP44/IP54/IP55

Dry-Type Transformer

Dry-Type Transformer

الموديل: SCB13-1500/35-0.4
المعلمات: Capacity：25kVA----15000kVA
High Voltage：6kV-35kV
Low Voltage：0.22kV-10kV
Frequency：50Hz/60Hz
Temperature：-25~-40℃
Altitude：1000-4000 M
Number of Phases：Three-phase
Vector Group：Dyn11,Yyn0
Short-Circuit Impedance：4%~6%
Cooling Method：AN/ AF
Tap Voltage Regulation：OCTC/OLTC
Protection：IP20/IP23

Distribution Transformer

Distribution Transformer

الموديل: S13-1500/35-0.38
المعلمات: Capacity：25kVA----10000kVA
High Voltage：6kV-35kV
Low Voltage：0.22kV-10kV
Frequency：50Hz/60Hz
Temperature： -25~-40℃
Altitude：1,000 m -5000 m
Number of Phases：Primarily three-phase
Wiring Group：Dyn11,Yyn0
Short-Circuit Impedance：4%,4.5%,5%,6%
Cooling Method：ONAN/ONAF
Tap Voltage Regulation：OCTC/OLTC
Protection：IP54/IP55

Power Transformer

Power Transformer

الموديل: SFZ-35000/110KV-35KV
المعلمات: Capacity：5MVA-----500MVA
High Voltage：35KV-220KV
Low Voltage： 10KV-110KV
Frequency：50Hz/60Hz
Temperature：-25~-40℃
Altitude：Typically ≤1,000 m，high-altitude projects may reach 2,000–4,000 m
Number of Phases：Primarily three-phase
Wiring Group：YNd11,YNyn0+d,YNyn0d11
Short-Circuit Impedance：For 110 kV, it is commonly around 10–14%, while for 220 kV and above, it is typically higher.
Cooling Method：ONAN/ONAF/OFAF/ODAF
Tap Voltage Regulation：OLTC/OCTC
Protection：IP54/IP55

معرض الشركة

Transformer manufacturing factory of Milestone (Xiong'an) Electrical Technology Co., Ltd. The facility houses production workshops for transformer manufacturing, component assembly, and electrical equipment production.
Transformer manufacturing factory of Milestone (Xiong'an) Electrical Technology Co., Ltd. The facility houses production workshops for transformer manufacturing, component assembly, and electrical equipment production.
Exterior of Milestone Electrical's transformer factory, including the main production buildings, outdoor gantry crane, and prefabricated substations stored in the factory yard. The outdoor area is used for equipment handling and storage before delivery.
Exterior of Milestone Electrical's transformer factory, including the main production buildings, outdoor gantry crane, and prefabricated substations stored in the factory yard. The outdoor area is used for equipment handling and storage before delivery.
Transformer production workshop for power and distribution transformers, with areas for iron core assembly, vacuum drying, and insulating oil filling. These processes are part of the manufacturing and insulation treatment of oil-immersed transformers.
Transformer production workshop for power and distribution transformers, with areas for iron core assembly, vacuum drying, and insulating oil filling. These processes are part of the manufacturing and insulation treatment of oil-immersed transformers.
Transformer manufacturing workshop with core assembly stations, vacuum drying equipment, oil filling facilities, and finished transformers. The production area is used for transformer assembly, insulation processing, and preparation of completed units.
Transformer manufacturing workshop with core assembly stations, vacuum drying equipment, oil filling facilities, and finished transformers. The production area is used for transformer assembly, insulation processing, and preparation of completed units.
Prefabricated substation enclosure manufacturing workshop equipped with CNC sheet metal cutting and fabrication machinery. Steel plates are cut and processed into enclosure components for compact substations and electrical distribution equipment.
Prefabricated substation enclosure manufacturing workshop equipped with CNC sheet metal cutting and fabrication machinery. Steel plates are cut and processed into enclosure components for compact substations and electrical distribution equipment.
Prefabricated substation assembly workshop for the installation of circuit breakers, disconnect switches, current and voltage transformers, and other electrical components. Equipment is assembled and connected inside the substation enclosure according to the electrical design.
Prefabricated substation assembly workshop for the installation of circuit breakers, disconnect switches, current and voltage transformers, and other electrical components. Equipment is assembled and connected inside the substation enclosure according to the electrical design.
Detailed view of electrical component installation inside a prefabricated substation, including circuit breakers, disconnect switches, instrument transformers, and associated connections. The assembly process covers the installation and arrangement of equipment within the substation.
Detailed view of electrical component installation inside a prefabricated substation, including circuit breakers, disconnect switches, instrument transformers, and associated connections. The assembly process covers the installation and arrangement of equipment within the substation.
Transformer drying and insulation resin casting equipment in the manufacturing workshop. The equipment is used for moisture removal, insulation treatment, and resin casting processes during transformer production, including insulation processing for dry-type transformer components.
Transformer drying and insulation resin casting equipment in the manufacturing workshop. The equipment is used for moisture removal, insulation treatment, and resin casting processes during transformer production, including insulation processing for dry-type transformer components.
Busbar fabrication equipment used for cutting, bending, and machining conductive busbars for transformers and electrical distribution equipment. Busbar components are processed according to the connection layout and dimensional requirements of each product.
Busbar fabrication equipment used for cutting, bending, and machining conductive busbars for transformers and electrical distribution equipment. Busbar components are processed according to the connection layout and dimensional requirements of each product.
Transformer foil winding machine used to manufacture transformer coils and windings. The machine winds conductive foil with insulation materials to produce windings for power and distribution transformer applications.
Transformer foil winding machine used to manufacture transformer coils and windings. The machine winds conductive foil with insulation materials to produce windings for power and distribution transformer applications.
Factory technicians installing electrical components inside a prefabricated substation, including circuit breakers, disconnect switches, instrument transformers, and related equipment. Assembly work includes component mounting, positioning, and electrical connections according to the substation design.
Factory technicians installing electrical components inside a prefabricated substation, including circuit breakers, disconnect switches, instrument transformers, and related equipment. Assembly work includes component mounting, positioning, and electrical connections according to the substation design.
Raw material and component warehouse for transformer manufacturing, with materials arranged on designated storage racks. The warehouse holds production materials and electrical components used in transformer assembly and manufacturing.
Raw material and component warehouse for transformer manufacturing, with materials arranged on designated storage racks. The warehouse holds production materials and electrical components used in transformer assembly and manufacturing.
Finished transformer storage and packing area, where workers use overhead lifting equipment to move completed transformers. The transformers are arranged for handling, packing, and preparation for shipment to customers.
Finished transformer storage and packing area, where workers use overhead lifting equipment to move completed transformers. The transformers are arranged for handling, packing, and preparation for shipment to customers.
Finished transformers stored in the factory warehouse before packing and shipment. Completed units are arranged in the dispatch area for final handling, packaging, and transportation preparation according to order requirements.
Finished transformers stored in the factory warehouse before packing and shipment. Completed units are arranged in the dispatch area for final handling, packaging, and transportation preparation according to order requirements.
Electrical testing workshop for dry-type transformers, oil-immersed transformers, and prefabricated substations. The testing area is used for factory inspections, routine electrical tests, and factory acceptance testing (FAT) before equipment delivery.
Electrical testing workshop for dry-type transformers, oil-immersed transformers, and prefabricated substations. The testing area is used for factory inspections, routine electrical tests, and factory acceptance testing (FAT) before equipment delivery.
Electrical test instruments and measuring equipment at the transformer factory testing station. The equipment is used for transformer electrical testing, inspection, and verification of technical parameters during factory quality control and acceptance testing.
Electrical test instruments and measuring equipment at the transformer factory testing station. The equipment is used for transformer electrical testing, inspection, and verification of technical parameters during factory quality control and acceptance testing.

قصص النجاح

Data center developers and operators, electrical EPC contractors, MEP consultants, and facility management teams.

Data center developers and operators, electrical EPC contractors, MEP consultants, and facility management teams.

The oil-free design avoids transformer-oil handling and containment inside the electrical room. It supports indoor placement close to distribution equipment, while the design review addresses ventilation, heat dissipation, noise, load profile, and maintenance access.
Oil-free design
No oil containment required
Suitable for indoor installation
Close to distribution equipment

الموقع: EC 📦 Quantity: 10 units
Power Plant

Power Plant

All equipment at the power plant is operating stably and undergoing regular maintenance.
Stable operation
Regular maintenance
Supports generation and on-site power supply

الموقع: CL,BR,AM 📦 Quantity: 50 units
Solar Power Plant

Solar Power Plant

A coordinated assembly helps reduce on-site equipment integration work and clarifies the electrical interfaces for installation and commissioning. Its layout, protection, ventilation, enclosure, and cable connections can be specified around the solar plant design.
Integrated prefabricated design
Reduced on-site integration work
Clear electrical interfaces
Project-specific configuration

الموقع: CA 📦 Quantity: 10 units

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