Long-Term 60-Ton Order for Silicon Steel Transformer Cores in South Korea
A well-known South Korean transformer manufacturer, specializing in the production and sales of various distribution and specialty transformers, has products widely used across multiple sectors in South Korea, including power, industrial, and medical fields. The company maintains high standards for silicon steel transformer core quality and has a stable demand. This client has established a long-standing partnership with us, consistently purchasing our silicon steel transformer cores, and highly values our product quality, delivery speed, and service standards.In October 2025, the client placed another order for 60 tons of silicon steel transformer cores, requiring consistent quality, accurate delivery times, and long-term, sustainable supply to meet their production needs for various distribution and specialty transformers.
Upon receiving the order, we responded promptly. Based on the client’s long-term partnership needs, we developed a detailed production plan and supply proposal, clearly defining timelines and quality standards for every stage—including production, inspection, packaging, and shipping. We maintained close communication with the client, providing timely updates on production progress to keep them informed in real time. Additionally, we flexibly adjusted the production schedule according to the client’s production requirements to ensure on-time delivery and meet the needs of their production line’s normal operations.
Standardized Control Ensures Stable Transformer Cores
To ensure the consistent quality of silicon steel transformer cores, we implement standardized controls throughout the entire process, from raw material procurement to finished product shipment.Regarding raw materials, we select high-quality grain-oriented and non-grain-oriented silicon steel. All materials undergo rigorous testing prior to warehousing to ensure they meet material and performance standards; non-compliant materials are strictly rejected. During production, we utilize automated production lines to complete processes such as cutting, stacking, pressing, insulation, and testing. Each process follows standardized operating procedures and is supervised throughout by technical specialists and quality control personnel.
Precision cutting equipment is used to ensure accurate core dimensions, with tolerances strictly maintained within standard limits. The stacking process employs a precision stacking technique to ensure the core is tightly packed, minimizing magnetic leakage and eddy current losses. High-quality insulation materials are used to enhance the core’s insulation performance and durability.In the testing phase, we utilize advanced testing equipment to comprehensively evaluate each batch of products for loss, dimensions, appearance, and insulation performance. Complete test data is provided for every batch to ensure stable and consistent product performance. Additionally, we adhere to the ISO quality management system, maintaining full traceability throughout the process to ensure controllable product quality.
Continuous Supply and Deepening Cooperation on Transformer Cores
In accordance with the contract, we completed the production, testing, and packaging of 60 tons of silicon steel transformer cores on schedule. We then arranged for rapid shipment via logistics, ensuring timely delivery to the location specified by our South Korean client.Upon receipt of the goods, the client did not need to conduct a full inspection but only performed sampling tests. After confirming that the product quality met requirements, they immediately put it into production. Following long-term use, the client provided the following feedback: “Your silicon steel transformer cores offer stable performance, low failure rates, and excellent energy efficiency, effectively enhancing the competitiveness of our products. You are our most trusted supplier of transformer cores.”
The client has collaborated with us for many consecutive years, and we have become trusted strategic partners. Moving forward, they will continue to place regular bulk orders based on their production needs. We are committed to establishing our market presence through quality and winning customers through service. We strive to become a trusted global expert in the manufacturing and customization of transformer cores. With stable quality, efficient delivery, and professional service, we provide the power and transformer industries with superior silicon steel transformer core components, helping our clients achieve sustainable development.
JINMA Transformer Core Manufacturer
HENAN JINMA ELECTRIC is a professional transformer core manufacturer specializing in the production of strip-wound cores made from amorphous metal materials, nanocrystalline alloys, silicon steel cores, and Permalloy nickel-based alloys. We provide professional customization and long-term supply solutions for silicon steel transformer cores tailored to various distribution and special-purpose transformers.Our products are widely used in power transmission/distribution, industrial electronics, renewable energy, and the automotive industries. Production is overseen by experienced operators to ensure the reliable quality of every product. We welcome you to contact JINMA Transformer Core Manufacturer at any time to discuss your transformer core requirements; we will find the most suitable core solution for your project.
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