Welcome to JIEZOU POWER GROUP, the leading custom manufacturer and factory for high-quality oil-filled transformers. Our 3500KVA and 4000KVA oil-filled transformers are designed to meet the diverse energy needs of various industries, providing reliable and efficient power distribution. Manufactured with precision and attention to detail, our transformers are built to withstand demanding conditions and provide long-lasting performance. Whether for industrial, commercial, or utility applications, our transformers are designed to deliver exceptional reliability and efficiency. At JIEZOU POWER GROUP, we prioritize quality and customer satisfaction, offering competitive pricelists that make our products accessible to a wide range of customers. With decades of experience and expertise in the power industry, we are committed to providing innovative and reliable solutions to meet the evolving power distribution needs of our clients. Choose JIEZOU POWER GROUP for your oil-filled transformer needs and experience the difference in quality and performance.