2) Frame: Steel-wood structure and wood cabinet, welded by steel tube in the size of 40*60*1.5mm,and transom as 40*40*1.5mm.Besides those,it covers zinc alloy plugins.

3) Reagent rack: The main frame is made of 1.5mm thickness of cold-rolled steel plate. The shelve are made of 12mm thickness of toughend glass, and stainless steel tube to be guardrail, the shelves can be adjustable.