Dandong Bettersize instruments Ltd was established in 1995, is Chinese renowned manufacturer of particle size analyzers and has become a R&D base for particle size measurement of relevant technologies. The company covers an area of 10, 279 square meters and a building area of 5, 530 square meters. The main products are laser particle size analyzer, sedimentation particle size analyzer, image particle size analyzer, powder characteristic tester, etc, which cover four series and total of 23 mo