Mayer Steel Pipe Corporation, together with its subsidiaries, engages in production and sales of black steel and galvanized steel pipes, and stainless-steel coils for pipes in Taiwan. It operates through Steel Department, Real Estate Investment Department, Investment Department, Mineral Trade Department, and Hotel Services Department segments. The company also offers zinc-coated steel, galvanized carbon steel, stainless steel, carbon steel pipes for mechanical structures, and plates. In addition, it is involved in the procurement of construction land to build public housing in independent and joint construction projects; development, leasing, and purchase and sale of properties; mineral resources trading; and hotel operations. The company was founded in 1959 and is headquartered in Taipei, Taiwan.