Chongqing Optical Instrument Co., Ltd. (former Chongqing Optical Instrument Factory), founded in 1958, belongs to China Silian Instrument Group Co., Ltd., is a a commitment to precision optical systems research and development, design and manufacturing and sales leader in optical microscopy, is China's largest export base of the microscope. Annual sales "COIC" brand optical microscope 5-8 million sets, of which 60%exported to Europe, Southeast Asia, more than thirty countries and regions.

1999, the company in the industry through the ISO9001 quality system certification, and in 2002 through the 2000 version certification in 2004 through the ISO14001 quality - environment system certification. The company has eight national patents, commitment to national project 2, IBE2000 series inverted fluorescence microscope by state-level key new products, Chongqing 100 technical innovations. XSZ-H and XSZ-G two series of 10 products approved by Chongqing Municipal Science and Technology Commission as a "high-tech products."

company has a large number of professional application of new technologies in microscopy, new technology research, new product development advanced optical engineering and technical experts, senior engineers and excellent mechanics. The company has from the cold optics, machinery manufacturing, surface treatment to adjust the assembly, quality inspection and other full production capacity, production of biological, inverted, fluorescent, metallurgical, stereo microscope, digital microscope systems, interactive hundreds of varieties of six series The products are widely used in medical testing, industrial testing, bio-pharmaceutical, geological exploration, animal and plant anatomy and research, genetic engineering and the school teaching and other fields.

company with solid strength, good reputation, advanced technology, excellent quality, perfect service at home and abroad frequently winning a major tender, and maintain the highest number of successful, high-end products in the largest number of one-time winning record. Sales outlets throughout the country provinces and autonomous regions and municipalities, dedicated to providing our customers the most timely and perfect service!