The main product of suzhou's pure technology ltd. Is a windroom, a cargo canal, wind canal, a wind canal of 20/304 stainless steel, stainless plates (coloured steel plates), a different material, such as stainless steel, etc., which can be arranged to open the door flatly by hand, automatically flatten the door, and a wind canal of the front door, etc. / vegetables, alternative delivery windows, ffu, 4 efficient vents, ozone machines, windmills, etc., cleaning workshop kits, accepted by customers and not scheduled。