Summary: Nikon, Zeiss, Lieca and Nikon are regarded by many as the Big Four microscope manufactures in the world. Their microscopes are commonly perceived as high quality microscopes. In contrast, the Chinese microscopes are perceived as low quality products. Many of you may not know that many microscopes from the Big Four are manufactured in China. The Quality of Chinese microscopes have drastically improved during the past decade. On the other hand, there are also many no-brand Chinese Microscopes on the markets. They were sold on the internet as fraction of the cost of Big Four’s microscopes. The quality of those microscopes are not consistent. The purpose of this short note is to present some facts about the Big Four’s microscopes OEM manufacturing in China. These OEM manufacturers have demonstrated their ability to product quality microscopes. This will serve you are guide when purchasing a Chinese microscopes. Do ask your microscopes who are their original microscope manufacturer. Clikc on link below to see the full text and illustration of this article.