Huazheng, established in 2008, is an enterprise engaged in the research, development, sale, and service of transformer testers, transformer oil testers, relay testers, high voltage testers, and circuit breaker testers. we have obtained I S O and C E certificates. And developed an impeccable inspection organization to ensure all of our product’s quality complies with international standards(like I E C/ A S T M /E N).
