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
mâts de 50m 3 BTS et tours d'antenne tubulaires en acier sans fil à jambes multifonctionnels de télécommunication de la communication 3g 4g Descriptio...