Rectangular Mounts with Modular Design are used to accommodate varied load configurations. Ashika Commercial Pvt. Ltd. Manufactures Rectangular Mounts with Modular Design. Ashika Commercial Pvt. Ltd. Is an ISO 9001-2000 certified company that supplies air springs for railway rolling stock, precision engineering machine components. Rectangular Mounts with Modular Design provide a very stable mounting system. It can be designed as per customer specific fixing points. It comes with excellent acoustic performance and shock displacement of up to 75mm in all directions.