RETSCH is the world’s leading manufacturer of instruments for homogenizing laboratory samples for analysis as well as for ana ... lyzing the particle size of solid substances by test sieving. The product portfolio includes mills and jaw crushers, capable of reducing materials down to any required fineness, sieve shakers and test sieves as well as assisting technologies. RETSCH instruments are used in quality control and research and stand for representative sample preparation in compliance with relevant standards and contamination-free comminution processes. read more