Qingdao Sangao Metal Structure Co.,Ltd is a professional 220kv steel tubular pole manufacturer and factory, we have been exporting high quality 220kv steel tubular pole made in China for years, welcome to contact us.We have got a lot of production licenses and qualifications, and can produce all kinds of 220KV Tublar Steel Tower. High resistive galvanized stainless steel is used in their manufacturing process to ensure high resisitivity againstcorrosion, heat, humidity etc. This product, transmission tower 220kv, is a typical type of our various towers. Our towers have different voltage levels including 10, 35, 110, 130, 132, 220, 330, 400, 500, 750, 800, 1000 kv etc. We can produce 138000 tons of various types tower yearly. The best design will be fulfilled precisely:1. Professional engineers with Govt Approved Authority are available for us. 2. In cooperation with major Electric Power Design Institutes, we have accomplished CAD drawing and scheme optimization in design precisely. 3. Each type will be guaranteed to meet the specifications laid out by the client.
