A&P Instrument, founded in Hong Kong in 1984, is an agent for laser, optoelectronic products, teaching instruments, and laboratory general instruments. It is a representative of many European and American companies in China, including Bo Guang, Apico，Velodyne，PHOTON ENERGY，Dataray，SLM，Admatec，Directphotonic，Pasco，Cole-Parmer，hrwallingford，Festo，GCC，Jasper，Matrix，Motic，Photron，PALAS，PolyScience，PreSens Wait. Keyi Instrument is committed to introducing excellent products and technologies, providing customers with comprehensive services, helping them solve problems encountered in scientific research and production, and driving the improvement of domestic education, scientific research, and related industries.

The company's product content involves the following three aspects:

1. Various laser devices and systems, optical devices and systems, precision mobile control products, and optoelectronic testing equipment;

2. Teaching instruments for various subjects in universities and middle schools: general physics teaching equipment; Engineering research and teaching instruments; Electricians and electronics, electricity; Communication, hydraulic, automation and robotics, motor control, air conditioning and refrigeration technology; Instrumentation and process control, various training systems, etc.

3. Aerosol and particle analysis monitoring instruments and samplers, laboratory general instruments and equipment, industrial online monitoring instruments, flow meters, as well as food, environmental monitoring, material testing instruments and equipment.

For over thirty years, Keyi Instrument has consistently adhered to the business philosophy of "professionalism, quality, and service", providing high-quality services and product solutions to domestic manufacturers and users, and has gained the trust of users. Our aim is to provide high-quality products and professional services, relying on a professional and efficient workforce, and taking customer satisfaction as our responsibility. The sales and service network of Keyi Instrument covers the whole country and radiates to Southeast Asia. The company has set up branches or offices in Beijing, Shanghai, Guangzhou, Shenzhen, Chengdu, Wuhan, Taiwan, China, Singapore and other places, with permanent sales and technical service personnel to provide customers with comprehensive pre-sales, sales, after-sales support and services. At the same time, we provide our customers with more timely, thoughtful, and satisfactory services.