Testwel Instruments Company manufactures Automatic Soil and Bitumen Compactor. The Company also offers aggregate, stones tiles and testing instruments, cement, lime, plaster and motor testing instruments, concrete testing instruments, soil test instruments, bitumen testing instruments, rock testing instruments, material testing instruments etc. The Automatic Soil and Bitumen Compactor is used for determination of dry density and moisture content relationship of soil. The Automatic Soil and Bitumen Compactor can perform light and heavy compaction tests. This Compactor is provided with an additional rod.