Nọvemba 1, 2021, mkpuchi mkpuchi mkpuchi isi cylindrical anyị nwere ike iru ibu 300kN, ruru eru na nchekwa.

DN'iji nyocha buru ibu nke isi kwụsiri ike seramiiki insulators ebugoro n'oge na-adịbeghị anya, ike tensile nke ngwaahịa achọpụtara ruru 300KN.

Ma ugbu a, ngalaba Teknụzụ ụlọ ọrụ na-emepụta ihe mkpuchi mkpuchi mkpuchi 420kN