steel transmission poles 1.Voltage:10kv,35kv,110kv,220kv,500kv 2. Hot galvanization 3. Mounting Height optional 4. LOW PRC SPECIFICATION:Electrical ... customized is available,Customized StyleProduct Application I. The high voltage transmission line,II. Substation structure III.The holder of overhead ground ... , ZheJiang , China 311400Web: http://zjfc-lighting.en.alibaba.com transmission steel poles