let data = await new Promise((resolve, reject) => {
  ftp.on('ready', function() {
    ftp.get('./company/products/img/e3f01d94-425e-470a-9f1f-ff782cc9fdaa.png',function(err, stream) { 
      if (err) {
        return reject(err);
      }
      let data = Buffer.alloc(0);
      stream.on('data', chunk => data = Buffer.concat([data, chunk]));
      stream.on('error', reject);
      stream.once('close', function() { ftp.end(); resolve(data); }); 
    });
  });
});