From Our Workshop to Bulgaria: Delivering a Custom EU-Tier 2 Oil-Immersed Transformer
From Our Workshop to Bulgaria: Delivering a Custom EU-Tier 2 Oil-Immersed Transformer
At Kaibeite, a custom 25kVA oil-immersed transformer built to strict EU-Tier 2 energy efficiency standards has been successfully delivered to a customer in Bulgaria.
This sample order is more than just a transformer manufacturing project; it is proof that Chinese-made electrical equipment can fully meet the highest European standards while delivering outstanding value and service.
Meeting EU-Tier 2 Standards
The European Union has some of the world's strictest energy efficiency regulations for electrical equipment. The EU-Tier 2 (Ecodesign) requirements demand that transformer no-load losses and load losses be significantly lower than those of traditional transformers.
For this Bulgarian customer, the specifications were very clear:
Model: S-25kVA-20/0.4kV
Type: Oil-immersed distribution transformer
Winding material: Aluminum (specifically requested by the customer for this project)
Compliance: EU-Tier 2 energy efficiency standards and CE certification
Meeting these standards required meticulous design, high-grade core materials, and rigorous testing. Our engineering team worked closely with the customer to ensure every parameter was optimized for their specific grid conditions.
From Workshop to Warehouse: The Journey Begins
The first step was manufacturing. As seen in our production workshop, this transformer was carefully assembled and tested. After passing all routine factory tests—including ratio, impedance, and dielectric tests—it was time for packaging.
To ensure the transformer arrived in perfect condition, we used standard export sea-worthy wooden crates. The crate was securely fastened, marked with the CE logo, and labeled with all necessary shipping information.
The crate was then carefully lifted by crane, loaded onto a flatbed truck, and transported to one of China's busiest export hubs: Qingdao Port.
A Smooth Passage Through Qingdao Port
Logistics is often the most unpredictable part of international trade. Before shipment, this transformer was stored in the Qingdao Free Trade Port Area (No. 9 Warehouse, 68 Qianwan Port Road).
This strategic location allowed us to handle customs clearance efficiently and ensure timely shipment. From Qingdao, the transformer set sail for Europe, crossing the ocean to reach Bulgaria.
A Satisfied Customer and a Promising Future
After receiving the transformer, the Bulgarian customer carried out their own inspection and installation. The feedback was very positive: they are highly satisfied with both the product quality and our service.
This successful delivery is more than just a completed order; it also proves that Kaibeite has the following capabilities:
Customized solutions to meet specific regional standards (such as EU-Tier 2).
Handling complex export logistics from inland China to European ports.
Providing reliable after-sales service to build trust for future cooperation.
The customer has already expressed interest in continuing cooperation, which we regard as the highest recognition of our work.
Looking for a Reliable Transformer Supplier in Europe?
Whether you are located anywhere else in Europe, Kaibeite is ready to be your trusted partner. We specialize in manufacturing oil-immersed and dry-type transformers, with voltage levels ranging from 6kV to 35kV and capacities from 30kVA to 20,000kVA.
If you need transformers that comply with EU-Tier 2 standards, CE certification requirements, or any other custom specifications, our team is ready to help.
Contact us today to discuss your project. Let us power your grid with reliable, efficient, and compliant equipment.
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