windrotor Bolotov VRTB turbine www windrotor bolotov com Astana smart city Астана город будушего

  • Published on Oct 4, 2019
  • Autonomous Renewable Energy Solution VRTB WTRB Wind turbine. VRTB proven and innovative communication tower solution utilizes VRTB wind turbines to be installed in Urban areas. It's renewable energy.

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