Customized Oil-Immersed, Dry-Type Transformers, Prefabricated Substations & Solar Power Cabinets – Factory Direct, Global Delivery
Customized Oil-Immersed & Dry-Type Transformers for Utility, Industrial & Renewable Energy Projects-Factory Direct Manufacturing · IEC / IEEE Compliant · Global Supply
Complete MV & LV Switchgear Solutions for Power Distribution, Substations & EPC Projects-Custom Configurations · Reliable Protection · Worldwide Delivery
Certified transformers (≤35kV), smart substations & PV-storage systems — engineered with 9 patents. Precision-built for renewable integration and grid reliability. Request specs
High-speed fiber laser cutting solutions for metal sheets.
Servo or mechanical punch presses for high-precision punching tasks.
Integrated laser cutting and bending lines for smart factories.
Fully automatic bending centers for multi-angle panels.
Servo-controlled conventional press brakes for standard sheet bending.
Integrated laser cutting and bending lines for smart factories.
Servo or mechanical punch presses for high-precision punching tasks.
Full capabilities in R&D, production & integration of power and PV systems.
10,000+㎡ production base with 80+ sets of advanced equipment.
ISO9001, ISO14001, CE-certified, and type tested to GB/IEC standards.
We serve EPC contractors, utilities, industrial parks, and large-scale infrastructure projects with custom-built transformers and power cabinets tailored to unique technical standards, voltage classes, and site conditions. From core design to installation guidance, we deliver value through deep engineering integration.
On-load / off-load tap changers
Transformer ratings up to 35kV
Cabinet design & layout drawings
Site-matching size & interface
Customized cooling / protection level
PV inverter integration & full pre-wiring
It has 3 invention patents and 6 utility model patents
with fixed assets of over 57 million yuan
more than 80 sets of advanced domestic equipment.
Product series can be made to meet customer needs
Shandong Tebian Power Equipment Co., Ltd. has the second level qualification for general contracting of power construction and the second level qualification for installation (repair, testing) of power facilities.It has 3 invention patents and 6 utility model patents, with fixed assets of over 57 million yuan and more than 80 sets of advanced domestic equipment.
The company focuses on the power field, with products covering oil immersed transformers such as S13, S20, S22 series of 35KV and below, dry-type transformers such as SCB12, SCB13, SCB14, SCB18 series, YB □ series box type substations, ZGS series American box type transformers, and high and low voltage complete sets of equipment, which can meet diverse needs. And it has the full process research and development, design, production, and system integration capabilities of photovoltaic energy storage inverter integrated equipment and transformer prefabricated cabin, and has provided support for multiple key power projects in China.
At the same time, we undertake 110kV and below business expansion and community supporting projects, photovoltaic power generation, wind power generation and other power projects, and provide full chain services such as testing, inspection, and maintenance of power equipment and lines. To provide users with comprehensive smart power solutions through excellent technology and professional services.
Over the years, we have established partnerships with thousands of clients, among them many of China’s Fortune 500 enterprises, reflecting our strong reputation, proven expertise, and ability to deliver reliable solutions for leading businesses.
We understand that as a professional buyer, you may have technical, logistical, or customization concerns. Below are answers to some of the most frequently asked questions to help you make informed decisions.
We specialize in the production of power transformers and substation equipment, including oil-immersed transformers (S11/S13/S20/S22 series), dry-type transformers (SCB10–SCB18), YB series European-style prefabricated substations, ZGS series American pad-mounted transformers, and complete sets of high and low voltage switchgear. We also provide PV energy storage inverter-integrated cabins and transformer prefabricated modules.
We offer both. While our product line includes standard models compliant with GB and IEC standards, we also provide fully customized solutions—adjusting capacity, voltage, vector group, tap changer, protection grade, and enclosure structure based on your specific project needs.
We provide complete engineering support including pre-sales technical consultation, design drawings, OEM/ODM customization, product testing, export packaging, and after-sales technical support. Our team also supports remote installation guidance, third-party inspection, and FAT upon request.
Standard production lead time is 15–25 working days, depending on model and quantity. All products are covered by a 24-month warranty from shipment date. For long-term projects, extended warranties and spare parts support are available.
Yes. Our products are manufactured and tested in accordance with GB/T, IEC, and CE standards. We have obtained ISO9001 and ISO14001 certifications, and provide full testing reports, type test data, and compliance documents with every order.
Yes, we’ve exported to 50+ countries across Asia, the Middle East, Africa, Europe, and South America. We offer export-grade packaging, shipping coordination, and customs documentation. We’re experienced in working with global EPCs, distributors, and utility contractors.
Discover breakthrough technologies and emerging applications transforming the power sector.
Our innovative dry-type units utilize ambient air convection technology, eliminating external cooling systems in arid regions.
April 21th 2025
Recently, our company successfully completed a major delivery task, sending a batch of customized prefabricated cabins for primary and secondary rooms...
April 11th 2025
In the wave of booming urban development, the Wendeng Jiulong City project in Weihai, Shandong, as a key urban construction project in Weihai in 2023...
April 08th 2025Whether you're upgrading an existing line or starting a new project, STON will customize a CNC solution for your production.
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