The products of the infrared detection department of Qinhuangdao Intrinsic Crystal Technology Co., Ltd. mainly include pyroelectric infrared detectors, MEMS thermopile infrared detectors, and NDIR gas detection modules. The product categories are rich and the performance indicators are equivalent to similar foreign imported products. . At the same time, we rely on the full-chain production and technology integration capabilities of "basic materials-optical accessories-detectors-detection modules" to achieve mass production, which can provide R&D and production resources at a faster speed and lower cost. Solutions that are closer to customer needs, maintaining price advantages and market competitiveness. For flame and gas sensor applications, various types of infrared detectors can be quickly customized, and the development cycle is shortened to 1/3 of that of the peers. We well-known in optical fields because of its operation philosophy-all product in ICC company, competitive price with high quality since its establishment. Also, the products has been exported at home and abroad.