This is an official video made by CV Wahyu Jaya intended for promoting grade crossing equipments built by the company at their workshops in Tambakan, Blitar (about 3 kilometers north of Wlingi station). Currently this company has supplied newly-built grade crossing equipments under the brand name Wantech to Indonesian Railways (through the Ministry of Transportation) and its products were already installed at more than 10 locations, with most of them were intended for creating safer grade crossings on busy mainlines. Since its design was loosely based on those built by Nederlandse Machinefabriek Alkmaar (NMA) in the past, indeed its design closely resembles the NMA-built ones, though the equipped with more features like train direction indicator light, all-purpose LED information board, etc.
"Prepare for the worst, even if the result is actually better than the expected"