First: First need to recognize whether the product has factory name, factory address, brand and inspection qualified report issued by professional QC institution.

Second:Appearance of handles need to be clear,surface not rough,feeling need confortable.The material chosen need fitable,feeling of holding need firm&cridble,cheap price and bad quality material for handles should be avoided.

Third: It is a key point about installation for handles.The installation should be conducted according to product instruction book,need recognize installation center distance and range of use,installation should not be done if paint on wooden door dried not enough or surface will be scathed as time go on color will fade.

Four:Keep handles clear and prevent even dirty into it.During the period of use,you will find the handles made by zinc alloy and copper have spots after a period of time,this phenomenon do not belong to rust but oxidation,if this situation appear you only need to scrape it with surface wax then the spot will be got rid off.

Five:It is suggested to choose stainless steel material for handles in general.

Handles, though not eye catching hardware commodity, it has close relationship with people and society, related to the beauty and practicability for every family,unit and public.Handles is a special commodity with important relationship with daily life. So no matter domestic or abroad,the handles industry has one set strict quality standard and management rules.