Jinan Winner Particle Instrument Co., Ltd. is a high-tech enterprise integrating R&D, production and sales of particle testing related instruments and equipment (stock name: "Micro-nano particles", stock code 430410), located in Jinan, beautiful spring city, registered capital of 12 million, office area of 3000 square meters. The laser particle size testing technology researched by the company has a history of more than 30 years since it undertook the national "Seventh Five-Year" scientific and technological research project in 1982. With the responsibility of "developing and popularizing the most advanced contemporary particle testing technology", Micro-nano Particle Company has developed laser particle size analyzer, nano particle size analyzer, particle image analyzer, spray particle size analyzer, online particle size monitor, particle counter and other series particle analysis instruments represent the highest level in the same industry in China.

The company headquarters has about 100 employees, including 5 senior engineers, 15 engineers, 20 professional and technical workers, 10 after-sales and 50 personnel from other departments. Relying on universities, Winner particle company has cultivated a first-class technology development team, and more than 90% of its employees have bachelor degree or above, including experts and professors in optics, electronics, computers, chemical industry, and materials. Professor Ren Zhongjing, the company's chief expert, is the pioneer of laser particle size analysis technology in China and enjoys a high reputation in the field of particle testing. Winner company has also established good cooperative relations with many domestic universities and research institutions, often exchanges new technologies and cooperates in the development of large-scale scientific research projects, enhancing technical strength.

The Winner brand particle testing series instruments represented by laser particle size analyzers are divided into 7 categories, and more than 30 kinds of products can meet the particle testing needs of various users. Winner products not only sell well in China, but also sell a large number of overseas, with its excellent quality and strong technical support and service to win the praise of the majority of users. It has won the honorary titles of the most innovative enterprise in China's industry and the leader of China's particle testing technology. It has been ranked among the top 50 powder enterprises in Asia by international authoritative organizations.