Nanjing Qinsi Technology Co., Ltd. is a professional company engaged in the sales and service of optical and electronic instruments, established after the restructuring of the former Jiangnan Optical Instrument Factory by a senior designer. Company address: 2-728B, Hongqiao Center, New City Plaza, No. 281 Zhongshan North Road, Gulou District, Nanjing City. The main business scope is: optical instruments; Electronic optical instruments; Optoelectronic measuring instruments; Electronic instruments; Sales, research and development, and technical services of computer software and hardware that are compatible with the instrument. Our company has many years of industry experience, excellent customer resources, and technical capabilities. The quality and service of the instruments sold are first-class, and we have a good reputation among users. To further strengthen the market and services in North China, our company has established an office in Beijing. Our company has been authorized as a distributor and service provider in China for instruments such as Quorum electron microscopy sample preparation equipment from the UK, Deben electron microscopy accessories from the UK, ASI photon counting hybrid pixel detector cameras (for X-ray and TEM ED applications) from the Netherlands, Micro to Nano electron microscopy consumables and supplies from the Netherlands, JC Nabity electron beam exposure system (NPGS nanoimaging system) from the US, and PIE Scientific plasma cleaning instrument from the US. The products include: Quorum (Emitech) in the UK: CryoSEM cryogenic transport system/scanning electron microscope freezing stage, gold spray apparatus, carbon spray apparatus, magnetron ion sputtering apparatus, thermal evaporation coating apparatus, double-layer coating apparatus, glove box dedicated coating apparatus, critical point drying apparatus, freeze-drying apparatus, plasma cleaning etching ashing apparatus, glow discharge treatment machine (also known as glow discharge cleaning apparatus, used for TEM copper mesh processing), etc. DEBEN UK: Microtest series includes micro testing stretching tables that are compatible with optical microscopes/atomic force/XRD/XCT/accelerators, semiconductor cooled electron microscopy small cooling tables, KED series Centaurus detectors such as BSE/CL/STEM, EBIC electron beam induced current measurement amplification and imaging systems, electron beam gates, and infrared CCD imaging of electron microscopy chambers. Dutch ASI: X-ray detector, TEM ED detector camera, and TPX3Cam nanosecond timestamp high-speed optical camera, etc. Netherlands M2N: Consumables for Electron Microscopy and Microbeam Analysis Industry. Micro to Nano (M2N for short) in the Netherlands is continuously engaged in the research and development of consumables based on new requirements for microscopes. It is a close partner in the micro nano field such as SEM, TEM, FIB, AFM, SPM, LM, etc., providing high-quality and innovative sample holders, carbon film carriers, calibration standards, target materials, carbon rods, carbon ropes, tools, accessories, silver glue, carbon tape, copper tape, storage boxes, cleaning products, vacuum seals, safety protection and other consumables and appliances. JC Nabity: NPGS electron beam exposure system (electron beam lithography, electron beam lithography, electron beam exposure, nano pattern generator) from the United States. PIE from the United States: Tergeo series desktop plasma cleaning instrument, TEM sample rod specific plasma cleaning instrument, EM-KLEEN remote plasma cleaning instrument (online cleaning of electron microscopy chamber). NIKON biological microscope from Japan; Other imported stereomicroscopes, metallographic microscopes, and industrial measurement microscopes; Domestic "Jiangnan Brand (JN)" various optical microscopes; Domestic ACCUR electric platform and microscopic image processing and analysis software DT-2000 (including various imported and domestic CCD cameras) that are compatible with various microscopes. Our company also undertakes the digital transformation of various microscopes. Under the guidance of the work policy of "dedicating high-quality products and services to users", our company often holds or sponsors various academic seminars, exchanges, technical training and other social activities, frequently participates in various exhibitions, and has a complete user tracking and communication system, complete customer file management, and complete customer follow-up services; Furthermore, it has achieved good economic and social benefits Our clients include domestic universities, research institutes, medical and health institutions, government agencies, industrial and mining enterprises, and other fields. For example, famous universities such as Peking University, Tsinghua University, Zhejiang University, Nanjing University, Dongda University, Fudan University, Tongji University, Shanghai Jiao Tong University, and University of Science and Technology of China; Renowned research institutions such as the Institute of Microbiology, Institute of Genetics, Institute of Biophysics, Institute of Modern Physics, Institute of Microelectronics, Institute of Plasma, Institute of Botany, Institute of Hydrology, Institute of Cold and Drought, Institute of Metals, Institute of Oceanography, Shanghai Institute of Optics and Fine Mechanics, Changchun Institute of Applied Chemistry, Beijing 201 Institute, Mianyang Ninth Institute, Shanxi Institute of Coal Chemistry, Guangzhou Institute of Energy, Shanghai Petrochemical Institute, Daqing Oilfield, Shengli Oilfield, Shougang Research Institute, National Nanotechnology Center, Purple Mountain Observatory, etc; National institutions such as inspection and quarantine bureaus in Guangxi, Shandong, Ningbo, and Beijing Forensic Appraisal Center; Famous multinational corporations such as Intel, Samsung, Siemens, Hitachi, Bosch, Seagate, etc; Huawei, Tianma, Chengguang and other domestic backbone enterprises. Our company has always adhered to the business philosophy of "honest operation and honest service", and pursued the corporate culture of "meticulous research and meticulous care". The company will repay society with better technological products and services, and is willing to cooperate wholeheartedly with all sectors of society for common development.