Structure métallique Cie., Ltd de Hebei Changtong.
Hebei Changtong Steel Structure Co., Ltd. 20 years of communication tower design and production experience Provide comprehensive professional consulting services Has served countless communication
La tour autosuffisante est habituellement tour de 3 jambes ou de 4 jambes, et son matériel est tuyau d'acier ou acier d'angle. Quant à la connexion, ...