Established in 1992, Tianyi Electronics Technology Co., Ltd. offer a full line of RoHS compliant product line, transformers, hardware tools and terminals for a wide of range of industries. We have a experienced and qualified team of engineers and enterprise managers, and imported state-of-the-art producing and testing facilities. Now we have been approved by T19001-2016, ISO9001:2015, UL1446, CE, JET etc international certificate.