Jinan Winner Particle Technology Co., Ltd. is a high-tech enterprise which is specialized in producing, selling equipments that about particle testing thereof. For the predecessor company of Shandong College of granular materials testing institutions, the company which is the backbone of particle testing industry of China has been more than 20 years of history researching laser particle testing technology since 1982 under the state&＃039;s scientific and technological NO75 project. Winner takes â??popularizing the most advanced contemporary art particle testing technologyâ?? as their own responsibility. The development of portable, desktop, powder and other types of laser particle size analyzers represent the highest level of the domestic industry. And in 2006 Winner exhibited the world&＃039;s most advanced laser particle size analyzer of online testing, which advanced the particle testing technology of china to a new height.