G. H. R. Industries offers Stainless Steel Door Hinges with Acid Resistance. G. H. R. Industries offers sheet metal components and turned components for Mobile Towers or Shelters and railways. The Stainless Steel Door Hinges with Acid Resistance provide a beauty and elegance to the doors and provide them durability. These hinges are practiced on doors that allow it to open and close. They are also available with square corners.