Shenzhen Shenguoan Electronic Technology Co., Ltd. (referred to as Shenguoan) was established in 2005, with stock code 681434. Headquartered in Shenzhen, the innovation capital of China, it is the only national high-tech enterprise in China that provides the entire industry chain of gas detection products (certificate number:) GR201944201617)； The company is committed to the field of "safety+environmental protection", providing customers with personalized customized gas detection products for over 1000 different gas detection needs, different concentration detection ranges, different functional configurations, and different gas combinations; Our products cover nine major series, including intelligent gas sensor modules, multi parameter atmospheric detection modules, fixed gas leak alarms, portable gas detectors, portable gas analyzers, VOC online monitoring systems, miniature air quality monitoring stations, CEMS smoke specific high-temperature detection probes, and odor electronic noses, with over 10000 flammable, explosive, toxic, harmful, and VOC volatile gas detection products; Widely used in various fields and places such as petroleum, chemical, metallurgical, steel, power, environmental protection, fire protection, ships, biomedicine, scientific research institutions, safety protection, process analysis, industrial robots, drones, etc. Shenzhen Guoan has complete qualifications and direct sales from manufacturers; We have over 100 national patents and qualification certificates. This includes ISO9001 Quality Management System Certification, ISO14001 Environmental Management System Certification, CPA Type Approval Certificate, SIL Certification, National Explosion proof Certificate, Utility Model Patent, Appearance Patent, Computer Software Copyright, CE Certificate, ROHS Certificate, CNAS Testing Report, Third Party Metrology Institute Calibration Certificate, Software Enterprise Certification, China Instrument and Meter Member Unit, Shenzhen Environmental Protection Industry Association Member Unit, Guangdong Province Contract abiding and Credit worthy Enterprise, China's Top Ten Gas Detector Brands, Quality Service AAA Credit Enterprise, High tech Cup Technology Little Giant Award, China Green Environmental Protection Famous Enterprise, etc. Shenzhen Guoan has a professional sales team, a highly skilled research team, and high-quality management talents; And signed industry university research cooperation agreements with the School of Materials Science and Engineering at Zhejiang University and Guangdong University of Science and Technology, continuously deepening the national security transportation and training of high-end talents; The company adheres to the management philosophy of "quality first, customer first", relying on the strong electronic market advantages and innovative resources in Shenzhen, and continuously providing customers with safer and more reliable environmental monitoring products by selecting domestic and foreign electronic chips and optimizing product structure. Shenzhen Guoan, with its excellent quality and comprehensive after-sales service, is not only the only supplier of Huawei wireless gas detectors and the sole target of the Hong Kong Zhuhai Macao Bridge gas detector project, but also a member of PetroChina, Sinopec, CNOOC, China Aviation Industry Corporation, Chinese Academy of Sciences, China Power Group, China National Chemical Corporation, China Power Investment Corporation, Dongfeng Nissan, Huawei, BYD, Foxconn, ZTE, Xiaomi VIVO、 Long term strategic partners of Fortune 500 companies such as BASF in Germany and Coca Cola in the United States; It is sold well in 23 provinces, municipalities and autonomous regions in China, and also exported to more than 20 countries and regions such as the Middle East, India, Japan, Singapore, and the European Union, receiving unanimous praise from customers; Shenzhen Guoan always adheres to the business philosophy of "customer-centric, market-oriented, quality-oriented, management based, and safety oriented", specializing, dedicated, and focusing on the field of gas detection instruments. Shenzhen Guoan - one-stop solution provider for gas detection! Enterprise positioning: Safety and environmental protection field Enterprise purpose: International quality, domestic price Enterprise slogan: One stop solution for gas detection Enterprise spirit: Quality first, responsibility first Enterprise policy: Customer centered, market-oriented, quality based, management based, and safety oriented Enterprise vision: Four major product divisions for national prosperity and people's happiness and health 1. Gas sensor division Shenzhen Guoan provides imported gas sensors from abroad, ensuring genuine products and spot supply. The brands include CITY from the UK, ALPHASENSE from the UK, MEMBRAPOR from Switzerland, HONEYWELL from the US, BASELLINE from the US, ION from the UK, DYNAMENT from the UK, NET from Italy, SMART GAS from Germany, FIGARO from Japan, NEMOTO from Japan, SGX from the UK, GSS from the UK, SUSA from the UK, and more. 2、 The Gas Detection Module Division of Shenzhen Guoan provides pre calibrated intelligent gas sensor modules that can be purchased and used immediately without the need for secondary development; Equipped with an air chamber, it can perform natural diffusion sampling or pump suction active sampling; Gas can be used alone or in combination with multiple gases; There are multiple power supply methods and signal output methods to choose from; And provide corresponding testing software, multi gas combination testing board, display screen, calibration equipment, etc. 3、 The Gas Detector Division of Shenzhen Guoan provides over 1000 types of online gas detectors, portable gas leak detectors, pump suction gas detectors, probe gas analyzers, four in one gas alarm devices, and other products for flammable, toxic, harmful, and volatile gases; 4、 Shenzhen Guoan provides hardware products such as VOCs online monitoring system, nitrogen oxide monitoring alarm, odor electronic nose, and micro air monitoring station for gas online monitoring system. There are also supporting IoT monitoring platforms, cooling and dehumidification pre-processing systems, high-temperature probes, explosion-proof vacuum pumps, sampling chambers, alarm controllers, wireless samplers, etc. Development History: In January 2019, we obtained the latest CPA approval certificate. In March 2019, the SGA-504 series fixed multi in one gas detector was launched. In April 2019, the SGA-608 series portable gas analyzer was launched. In May 2019, Shenzhen Guoan was awarded the Quality, Service, and Reputation AAA Enterprise and selected as a China Green Environmental Protection Famous Enterprise. In May 2019, we signed an industry university research cooperation agreement with Zhejiang University. On June 14, 2019, the odor online monitoring system was globally launched. On June 19, 2019, Shenzhen ShenGuoan Electronic Technology Co., Ltd. was officially listed with stock code 681434, opening the door to the capital market. In February 2018, Shenzhen Guoan successfully passed ISO9001 certification ISO14001 Quality Management System Certification. In April 2018, the intelligent SGA-700D series integrated pump suction sensor module was launched. In June 2018, the intelligent odor sensor module was first released in China, breaking the foreign technology monopoly. In January 2017, Shenzhen Guoan won the "Technology Little Giant Award" for high-tech enterprises. In May 2017, Shenzhen Guoan cooperated with Guangdong University of Science and Technology and became a school enterprise cooperation base. In November 2017, Shenzhen Guoan won the bid for the national level Hong Kong Zhuhai Macao Bridge gas detection system project. In May 2016, Shenzhen Guoan obtained the national measuring instrument license certification and dual soft enterprise certification. In October 2016, Shenzhen Guoan's SGA-900 series VOC online monitoring system was launched. In March 2015, Shenzhen Guoan successfully passed the EU CE RoHS dual certification: Wireless gas detectors were launched in June 2015 and became Huawei's only supplier. In August 2015, Shenzhen Guoan SGA-400/700 series intelligent gas sensor modules were launched. In April 2014, Shenzhen Guoan became a member of the China Instrument and Meter Industry Association. In June 2014, the product obtained the national explosion-proof certificate. In January 2013, with the increase in labor costs and the decline in profits, Shenzhen ShenGuoan Electronic Technology Co., Ltd. was officially established, starting its own brand road. In February 2013, SGA-500 series online gas detectors were launched. In May 2013, SGA-600 series portable gas detectors were launched. In August 2013, SGA-100 series gas detection modules were launched. In September 2013, SGA-800 series alarm controllers were launched. In October 2013, Shenzhen Guoan Selected as one of the top ten brands in the gas detector industry. In 2011, 21 domestic and foreign OEM enterprises were established, The annual output is over 120000 units. In 2010, it was produced as a contract manufacturer for a certain gas detector brand in the UK, with an annual output of over 10000 units. In 2007, after two years of dedicated research and development, the point type combustible gas detector technology was recognized by a certain technology company and began the path of contract manufacturing, with an annual output of over 2000 units. In 2005, several like-minded individuals from science and engineering backgrounds were dissatisfied with the frequent occurrence of gas explosion accidents and decided to work together to contribute to the safety industry