Longyou Open Electromechanical Technology Co. Ltd is a factory, our factory located in Longyou ,Zhejiang,China. Was founded in 2002.

our products including sliding door roller.matel roller,metal wheel .pulley and slding door whee. nylon roller,metal dustpan and so on .they are used in industry door ,garage door,washhouse ,assembly line and so on.

we export USA,Dubai,Ireland,ISrael,spain ans so on.