Qingdao Allred Electronics Co., Ltd. was established in 2014. We are a professional manufacturer of photoelectric gas detection equipment. Our company has been certified with ISO9001, ISO14001 and OHSAS 18001 systems, and we are committed to providing customers in industries such as petrochemical, natural gas, and environmental protection with high-performance, user-friendly, and cost-effective high-level gas detection equipment.We have three series of main products, which are laser methane leak detector based on near-infrared laser TDLAS technology, fixed gas leak detector based on ultra-low power consumption NDIR technology and gas sensors with reliable performance. Due to the excellent optical and circuit design, our products are industry-leading in sensitivity, power consumption, cost, and reliability, which can help you deploy and use detection devices conveniently at a lower cost and find gas leaks faster, eliminating potential safety hazards.