China Factory Price Aluminum Cast Conduit Fitting EMT Coupling Connector

Cable conduits play a crucial role in fields such as power and communication, and their quality and performance are directly related to the stability and safety of power transmission. Cable conduits are usually made of materials such as metal, plastic, ceramics, etc., and each material needs to undergo strict testing to ensure that it meets relevant standards and requirements. The testing content includes the strength, toughness, insulation, corrosion resistance, flame retardancy, etc. of the material.