Solutions for manufacturers of doors, gates and fences (OEM) The security solutions produced by LOB S.A. (formerly: Metalplast Leszno) have been functioning efficiently in the hands of millions of Polish people for many years, providing safety and comfort to their users. Thanks to a long-lasting partnership with all leading producers of building joinery present on the Polish market, LOB has achieved a dominant position among the suppliers of door hardware and locking devices. We supply our products to the manufacturers of doors made of aluminum, steel and aluminum profiles. Our products are also successfully used by the manufacturers of fences, garage and industrial doors. Apart from the regular large-scale serial production, our company may also cooperate to manufacture new products based on a customer's individual design.