Office Desk Surface :improted 0.6mm comphorwood veneer finishing.Base material:E1 or E2 standard mediumdensity fiberboard meet GB/T11718-19999 national standard,with low formaldehyde volatilization. The density of the MDF is 730-760kg/CBM can bear for 300kgs on the top of the board.Pinting: We use HuaYun brand brand PE painting for printing for two times, then inported from German IDOPA painting fortop coating.The printing two times coating is thicker, harder and good looking.Accessory: hardware, we all use top-grade like BMB rail or Bogeweisi for guilding and lockTotally over 30 procedures to build up the top quality products, expecialy 5 times sanding and 6 times painitng make products more perfec.And all procedure is strictly inspected by our quality controller and they team-leader .All our furniture meets GB 18584-2001, they are friendly to human beings. Office Desk : Avaliable:Size-MM: 3600W*1150D*760H; Extension:1800*500*680 Moveable drawers:600*500*670 3200W*1150D*800H, Extension:1800*500*800 Moveable drawers:600*500*670 2800W*1150D*800H Extension:1800*500*800 Moveable drawers:600*500*670 2400W*1150D*760H Extension:1600*460*640 Moveable drawers: 570*400*640 Avaliable colour: Cherry, walnut (dark walnut and light walnut) Mohogany and beige