A:The selection of mortise lock brass is always based on quality, price and services. There are many manufacturers specialized in this field. FUYU is a choice. Different brands have different focuses. You are expected to search on the internet by typing in the product and the service expected, e.g. "mortise lock brass OEM", so as to find the top brands. When you contact the manufacturer, you may check the source of raw materials, the technology adopted and the services offered.