function about_xinqu() { //v2.0
  window.location.replace("./overview/");
}
function the_location() { //v2.0
  window.location.replace("./location/");
}
function invest_policy() { //v2.0
  window.location.replace("./invest_guide/");
}
function goto_xinqu() { //v2.0
  window.location.replace("./bhxq/");
}
function the_human() { //v2.0
  window.location.replace("./our_human/");
}
function invest_guide() { //v2.0
  window.location.replace("./invest_policy/");
}
function contact_us() { //v2.0
  window.location.replace("./contact_us/");
}