Recently, State Grid Corporation of China has released the new technology evaluation results in 2021. Five new technologies of ZTT have passed the evaluation of State Grid ,which includes TACSR/AW, TACSR, OPGW, 220kV XLPE insulated power cable with smooth aluminum sheath, aluminum-zirconium alloy winding distribution transformer.
The evaluation is comprehensively considered in many aspects such as technology, product performance and etc. This evaluation highly recognized the technical level and innovation ability of ZTT.
