code: function obtainInfo(action, id, hash, cb) {
      request.post({
          url: action,
          form: {
              trackingNo: id,
              trackingNoString: id,
              __hash__: hash
          },
          jar: j,
          timeout: 30000
      }, function (error, response, body) {
          if (error || response.statusCode != 200) {
              cb(utils.errorDown())
              return
          }
  
          let $ = parser.load(body);
          let trs = $('.center_table table tbody tr');
          // Not found
          if (trs.length < 2) {
              cb(utils.errorNoData())
              return
          }
  
          let entity = null
          try {
              entity = createWinitEntity(
                  trs[1].children[0].children[0].data,
                  $('.center_table table tbody tr td a.poptips')[0].attribs['data-id'])
          } catch (error) {
              return cb(utils.errorParser(id, error.message))
          }
  
          cb(null, entity)
      })
  }
docs: Get info from correos page
  
  @param action
  @param id
  @param postalcode
  @param cb