Hunan Lansi Instrument Co., Ltd. is a comprehensive enterprise engaged in the research and development, production, sales, and maintenance services of instrument equipment, with its own brand and multiple patents.Main production and sales: soundproofing, insulation, water tightness, and airtightness experience boxes for doors and windows, as well as door and window tools and exhibition rack series; Series of physical performance testing equipment for doors and windows; A series of environmental simulation testing chambers for constant temperature and humidity, high and low temperature, aging, rain exposure, salt spray, cultivation, electric heating drying, vacuum drying, industrial high temperature, etc; Series of compression and tensile testing machines for cardboard boxes and tubes; Image measuring instruments and other general instruments and equipment.Undertake the maintenance and repair of the above instruments and equipment.Undertake sheet metal processing and production of various instruments, equipment cases, and stainless steel products.We have always followed the corporate philosophy of "integrity-based, reputation first", and are dedicated to win-win cooperation with domestic and foreign merchants, common development, and creating brilliance together!