About product and suppliers:
            2,537 rectangle door frame products are offered for sale by suppliers on Alibaba.com, of which aluminum profiles accounts for 3%, metal building materials accounts for 1%, and doors accounts for 1%. 

A wide variety of rectangle door frame options are available to you, such as graphic design, 3d model design, and others. You can also choose from modern, traditional rectangle door frame, as well as from swing, sliding, and folding rectangle door frame, and whether rectangle door frame is more than 5 years, 1 year, or 5 years. 

There are 1,737 suppliers who sells rectangle door frame on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, from which the percentage of rectangle door frame supply is 1%, 99% respectively.