MEKA crushers are available in a variety of types and capacities in accordance with the hardness and size of materials to be crushed. Our crushers are available in 3 main categories, which are Primary, Secondary and Tertiary crushing ,with crushing capabilities from from 1 mm to 1000mm.Primary Impact Crushers - MEKA Crushing & Screening,REDUCED OVERALL OPERATIONAL COSTS. The liners of the crusher do not wear out at the same pace, so some of the liners may need to be replaced earlier than others. MEKA’s primary impact crusher liners are designed to be interchangeable, meaning less inventory space is needed and reduced inventory cost for our customers.2 Types of Concrete Crushers | HXJQ,01-08-2019· Jaw Crusher, also known as concrete crusher, is usually used as the primary equipment for concrete crushing. It is also suitable for metallurgy, mining, construction, chemical, water conservancy and railway sectors, and used as a device for fine and medium crushing of ores and rocks with compressive strength below 250 Mpa.