Hebei Zhuo Xin Steel Tower Co., Ltd. was established in 1978,it's predecessor was Hebei Zhuoxin Tower Factory. Hebei Zhuoxin is large - scale professional enterprise of Communications, transportation facilities , electric power and electrified railway steel products, have national industrial products production license,passed the ISO : 2000 international quality system certification, achieved the construction enterprise qualification certificates of the Ministry of Construction and the safety ...