Screen is large classification of various types of wire and wire products, is monofilament and mesh collectively. Mainly refers to the metal wire, synthetic fibers and other materials for the processing of yarn; as raw material is wire mesh steel net, a metal plate, strip, etc., depending on the manner of weaving or stamped into a different shape, density and size of the network. He is a chemical fiber, silk, metal wire and various wire method by certain textile products made. The main application is to "sift, filter, print, solid iron gill nets, prevention and care." Identification of the merits of stainless steel mesh need professional equipment network, if there is no instrument that can rely on one kind of medicine to determine the composition of stainless steel mesh. For example, the identification of copper sulfate, a method is more convenient, the effect is more obvious. Stainless steel wire mesh placed a drop of water, wipe with a copper sulfate shells network, after wiping as discoloration, usually stainless steel; such change purple, non-magnetic high manganese steel. Braid, built through a screen (certified), network provided by Dongguan Jian Tong Building Materials Co. screen. Dongguan Jian Tong Screen Building Materials Co. (www.dghuaxiasw168.com) is Dongguan, Guangdong, construction, building materials leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Built through a screen in the leadership with the staff warmly welcome all inquiries negotiations, create a better future through the screen.