Direction Desk careers

I am building standing desks for educational institutions, businesses and individuals. I offer 3 products for school/personal use and 3 for office/personal use. The three are manual, pneumatic and electric.
Office product sizes:
(Width X Depth X Height Range); 48" X 23" X 28-48"; 60" X 23" X 28-48"; 70" X 23" X 28-48"
School Product sizes:
(Width X Depth X Height Range); 28" X 20" X 27-39"; 28" X 20" X 33-46"