About Us
Qingdao NaXin XiangYuan Electrical Equipment Co., Ltd.
Qingdao Nasin Xiangyuan Electric Equipment Co., Ltd., based in Qingdao, is a key scientific and technical enterprise in Shandong Province with professional testing certifications. We specialize in R&D and manufacturing of high-precision testing equipment: high current generators, thermal relay testers, frequency converters, loop resistance testers, temperature rise test devices, and constant current power supplies. We provide reliable products and professional services to improve efficiency and ensure quality for global customers.