At the core of every transformer driving industrial advancement, within every critical nexus empowering energy transition and manufacturing revitalization, resides a silent yet vital force. Sourced from nature, refined through master craftsmanship, it safeguards the stability and efficiency of power operations—This is Electrical Laminated Wood, and this is the dedication and mission of Rongchun Wood.

Rongchun Wood Industry (Gaotang) Co., Ltd., located in Gaotang County, Liaocheng City, Shandong Province, China, covers a production area of over 20,000 square meters. Since its establishment in 2014, we have focused on the R&D and manufacturing of Electrical Laminated Wood and Insulation Components for oil-immersed transformers, and have grown to become one of the key global suppliers of insulation materials. Guided by the philosophy of “Quality as the Foundation, Talent as the Cornerstone”, we are committed to advancing productive capabilities in the transformer insulation industry.

We meticulously select the premium imported white birch and German red beech as raw materials. The manufacturing processes including steaming, rotary cutting, drying, coating with phenolic resin adhesive, and followed by high-temperature, high-pressure precision pressing. Our advanced production facilities include five large high-performance hot presses, each with a pressing force of up to 8,000 tons. Rigorous scientific processes ensure that every EWay® product fully complies with GB/T 20634 and IEC 61061 standards.