Enyerela Zhongtai aha nke Shijiazhuang Municipal Industrial Design Center, nke bụ nnukwu nkwenye nke ikike imepụta ụlọ ọrụ Zhongtai.

Anyị ga-aga n'ihu na-agbasi mbọ ike imepụta igwe igwe igwe igwe ERW dị elu.