Top Science Instrument (China) Co., Ltd. is a brand under Hangzhou Qiulai Technology Co., Ltd. It is a high-tech trading and technical service company specializing in the agency and distribution of international brands of lasers, spectrometers, optics, optoelectronics, optical instruments, optomechanics, and fiber optic communication products. Agents include Advanced Laser Diode Systems from Germany, APE，A.R.T. Photonics，Batop，First Sensor，Ingeneric，JENOPTIK Laser (JL)，Jenoptik Diode Lab (JDL)，Menlo Systems，Micos，Omicron Laserage Laserprodukte，Ostech，Ultrafast Innovations； Clark MXR from the United States, ConOptics，Edmund Optics，FJW Optical Systems，Kapteyn-Murnane Laboratories，National Aperture，NoIR，Ocean Optics，Onyx Optics，Optometrics，Quantum Northwest，Scientech，Wells Research and Development，Wilks Enterprise； Duma Optronics from Israel; LaserPoint from Italy; Hamamatsu in Japan, NEOARK，Suruga Seiki； OptoSystems from Russia, Tydex，Plasma； Admesy from the Netherlands, Anteryon，Delta Elektronika； Solar Laser Systems from Belarus; Lithuania's Stand; Attodyne from Canada; Finland's Nanofoot and dozens of other internationally renowned laser and optoelectronic companies. The products represented and distributed by top scientific and technological agents cover a wide range of fields, including optoelectronics, optical communication, lasers, optics, physics, electronics, and biology. They can be widely used in teaching, scientific research, product development, and large-scale production. Top tier scientific instruments are supported by a strong lineup of manufacturers, a wide range of products, and strong technical support. With the aim of providing world-class products and services, we are committed to exploring the Chinese market and working together with you to contribute to the development and takeoff of China's optoelectronic industry!