How to create this document template

I couldn't figure out from your question if the green rectangle must appear on the other pages. If this is the case uncomment the command lhead{greenRectangle} in the preamble.

For more comments concerning the code see my answer at Margins of a Logo Picture.

The code that produces the pdf above:

documentclass[11pt, a4paper]{article}
usepackage{geometry}
geometry{total={155mm, 255mm}, left=48mm, top=20mm}

%%% fonts
usepackage{helvet}
renewcommand{familydefault}{sfdefault}

usepackage{tikz}
usetikzlibrary{calc}

usepackage{fancyhdr}
pagestyle{fancy}
deffootrulewidth{0pt}                           
defheadrulewidth{0pt}
%%% uncomment the line below if the green rectangle is needed on all pages
% lhead{greenRectangle}
rhead{grayRectangle}
cfoot{}
rfoot{thepage}

definecolor{aGreen}{RGB}{0, 159, 104}
newcommand{greenRectangle}{%
  begin{tikzpicture}[remember picture, overlay]
    fill[aGreen] ($(current page.north west)+(3ex, -2ex)$)
    rectangle ($(current page.south west)+(43mm, 2ex)$);
    path ($(current page.south west)+(3ex, 8ex)$)
    node[white, text width=40mm, align=left, below right, scale=.9]
    {itshape{Direcci'on de Estudias Econ'omicos}};
  end{tikzpicture}
}
newcommand{grayRectangle}{%
  begin{tikzpicture}[remember picture, overlay]
    fill[gray!60] ($(current page.north west)+(3ex, -3ex)$)
    rectangle ($(current page.north east)+(-3ex, -7ex)$);
    path ($(current page.north west)+(3ex, -6.5ex)$)
    node[white, above right, scale=.9]
    {itshape{Industria Manufacturera}};
    path ($(current page.north east)+(-3.1ex, -6.5ex)$)
    node[white, above left, scale=.9]
    {itshape{Abril 2020}};
  end{tikzpicture}
}

%%% tmp packages
% usepackage{showframe}
usepackage{lipsum}

begin{document}
titlepage
greenRectangle

%%% title
begin{tikzpicture}
  path[use as bounding box] (0, 0) rectangle +(15, .1);
  draw[ultra thick, fill=gray!65] (-5.3, .7)
  rectangle
  node[pos=.85, fill=blue, below right, inner sep=2.2ex, text width=9ex] {}
  +(20.6, 1.3);
  path (-1.2, .7) node[above right, text=white, scale=2]
  {itshapetextbf{Industria Manufacturera}};
end{tikzpicture}

section*{ABRIL 2020}

lipsum[1, 2-8]

end{document}