Harbin Dongfang Alarm Equipment Development Co., Ltd., established on 2000-04-10, The business scope includes gas detection equipment,Electrical Equipment,Monitoring equipment,Instrumentation,electronic product,communication products,software product development,Production,Sales,Install,repair;technology development,technology transfer,technical consulting,Technical Services;Equipment Leasing;Distribution of instruments,automation equipment;import and export trade.

Hanwei Electronics Group Corp. manufactures gas sensors, gas detection products, industrial fixed systems, breathe alcohol testers and gas analyzer series, as well as key element for gas detection. Its business activities include research and development, production, and sales of electronic sensors; sales of instrumentation and control systems; mechanical and electrical equipment; and research and development of intelligent transport and security monitoring systems. The company was founded in 1998 and is headquartered in Zhengzhou, China.

Riken Keiki Co., Ltd. engages in the manufacture and sale of gas detection and alarm equipment. Its products include gas monitors, gas leak checkers, toxic gas monitor alarm units, oxygen monitor alarm systems, and surface analyzers. The company was founded on July 30, 1934 and is headquartered in Tokyo, Japan.

New Cosmos Electric Co., Ltd. engages in the research, development, manufacture, sale, and maintenance of gas sensors, alarms, and detectors. Its products include residential gas and fire alarms, industrial use gas detection systems, portable gas detectors, odor sensors and air measuring instruments. The company was founded in May 1934 and is headquartered in Osaka, Japan.

Shenzhen Nuoan Intelligent Co., Ltd., established on 1999-04-27, Business scope includes general business items:Development of software technology,consult,Serve,Sales;Domestic Trade,Operating import and export business(law,Administrative regulations,Except for items prohibited by the State Council,Restricted projects must obtain a license before operating).,The licensing program is:sensor,Optoelectronic Devices and Equipment,Testing instrument and control system,Instrumentation,Green facilities,automation equipment,electronic product,Explosion-proof electrical products,Equipment,electrical equipment,Industrial automation control system device,Monitoring equipment and control system,Research on the Industrial Internet of Things,to develop,Production,Install,Sales,Serve;gas detector,Portable Gas Detector,Gas Alarm Controller,Volatile organic compound online detector,Portable Volatile Organic Compound Detector,Technical Development of Online Monitoring System for Volatile Organic Compounds,Production,Install,Sales and Service.

Niterra Co., Ltd. engages in the manufacture and sale of spark plugs, technical ceramics, and related products for internal combustion engines. It operates through the following segments: Automotive, Technical Ceramics, and Others. The Automotive segment deals with the manufacture and sale of spark plugs, glow plugs, automotive sensors, ceramic engine parts, and other automotive components. The Technical Ceramics segment handles both semiconductor and ceramics divisions that manufacture and sell semiconductors, various device packages, multi-layer circuit boards, cutting tools, industrial equipment parts, and semiconductor manufacturing equipment items. The Others segment includes environmental energy and medical fields, material sales, and welfare services. The company was founded on October 26, 1936 and is headquartered in Nagoya, Japan.

Xtralis Technologies Ltd., part of Honeywell International, Inc., is a company headquartered in Nassau, the Bahamas. The firm offers life safety and security solutions.

Henan Chicheng Electric Co., Ltd. principally engages in the research, development, production, and sale of gas environment safety monitoring products. Its key products are intelligent instruments and meters, alarm control systems and supporting systems, and intelligent sensors in the field of gas environment safety monitoring. The company was founded by Wei Feng Xu on December 27, 2004 and is headquartered in Zhengzhou, China.

Shandong Dorui Electronic Technology Co., Ltd. (hereinafter referred to as Dorui), headquartered in Jinan Hi tech Industrial Development Zone, Shandong Province, was born in 2013. Since its inception, it has focused on gas detectors and gas detectors, taking "making the world less dangerous" as its mission, "Dorui is born for safety" as its root, and "customer first, quality first, safety first" as its starting point, The independent R&D, design, production, sales and service of household gas alarm equipment and Internet of Things system project are integrated, and the marketing and service network covers the whole country. Dorui now has business development center, sales support center, technology research and development center, production and operation center, functional service center and other departments. So far, Dorui has established many branches and offices in Tianjin, Nanjing, Xi'an and other places. Dorui has complete qualifications. It has successively obtained the license for manufacturing and repairing measuring instruments, the explosion-proof certificate of products, the fire protection product certificate, the type approval certificate of measuring instruments, and the computer software copyright registration certificate. It has also obtained a variety of patent and trademark certifications, and has the import and export qualification of its own, and has passed the international quality system ISO9001:2015 certification. In the process of development, Dorui Co., Ltd. pays attention to people first, based on life and safety, always pays attention to the needs of customers with consistent professionalism, and provides intimate guarantee for life and safety through continuous innovation and improvement; The products are widely used in gas, petrochemical, coal, power, pharmaceutical, building, mine, metallurgical coking and other industries as well as family life. Open up and innovate, keep forging ahead, and climb the peak forever! I believe Dorui Electronics' efforts can make the security concept rooted in every corner of the world! Sincerely welcome people from all walks of life to come to guide, negotiate cooperation and seek common development!

Draeger Safety, Inc. Develops & manufactures medical, safety, underwater, and aerospace equipment. Its customers include the safety, medical, aerospace, and diving & computer information systems markets. The company was founded in 1976 and is headquartered in Pittsburgh, PA

TSM SRL (doing business as Trattamenti Superficiali Metalli) is a private company headquartered in Minerbio, Italy, that manufactures metal surface treatments, fluoropolymer and lubricant coatings.

Shanghai Aegis Industrial Safety Corp. engages in the research and development, production, sale, and service of safety monitoring products. It specializes in safety instrumentation, industrial fire protection, and infrared sensors. Its products and services include gas meter, gas safety system, flame detector, intelligent household security, and smart sensors,. Its solution covers iron and steel metallurgy, industrial workshop, chemical medicine, traffic tunnel, energy power, and oil petrochemical. The company was founded on December 9, 2008 and is headquartered in Shanghai, China.

Weihua Technology (Tianjin) Co., Ltd., established on 2012-09-12, Business scope includes general items:Internet of things technology research and development;software development;Instrument Manufacturing;software sales;Manufacturing of electronic components;Security System Monitoring Services;IoT device manufacturing;IoT Device Sales;Instrument sales;Communication equipment manufacturing;Communication equipment sales;Sales of special instruments and meters for environmental monitoring;Fire Equipment Sales;Hardware retail;Chemical product sales(No licensed chemical products);Sales of special labor protection products;Import and export;rental service(Licensed rental services not included).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:The second type of value-added telecommunications services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Osaka Gas Co., Ltd. engages in the provision of natural gas. It operates through the following segments: Domestic Energy/Gas, Domestic Energy/Electricity, Overseas Energy, and Life and Business Solutions. The Domestic Energy/Gas segment manufactures, supplies, and sells city gas, gas appliances, liquefied natural gas, liquefied petroleum gas, and industrial gas. The Domestic Energy/Electricity segment produces electricity. The Overseas Energy develops and invests in natural gas and petroleum as well as leases transport tankers. The Life and Business Solutions segment conducts the development and leasing of real estate, information processing services, and sale of fine materials and carbon products. The company was founded on April 10, 1897 and is headquartered in Osaka, Japan.

Beijing Zhongdian Hualao Technology Co., Ltd., established on 2011-10-25, Business scope includes technology development,technology transfer,Technical Services;Economic Information Consulting;Sales of machinery and equipment,Wujinjiaodian,household appliances,building materials,Electronic Component,Fire Equipment,electrical equipment,Instrumentation,Chemical Products(Free of Hazardous Chemicals),metallic material,Computer hardware and software and auxiliary equipment,auto parts,coal(No trading of physical coal in the Beijing area,Storage and transportation activities),water treatment equipment,Green facilities;Repair water treatment equipment;Production gas detection alarm;Combustible gas detection and alarm control system;software development.(Market entities independently choose business projects in accordance with the law,Carry out business activities;and items that are legally subject to approval,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Valmont Industries, Inc. engages in the manufacture of products and services for infrastructure and agriculture markets. It operates through the Infrastructure and Agriculture segments. The Infrastructure segment includes five primary product lines such as Transmission, Distribution, and Substation, Lighting and Transportation, Coatings, Telecommunications, and Renewable Energy. The Agriculture segment produces mechanized irrigation equipment and related services. The company was founded by Robert B. Daugherty in 1946 and is headquartered in Omaha, NE.

HD Hyundai Heavy Industries Co., Ltd. engages in the manufacture and sale of marine structures, plants, and engines. It operates through the following businesses: Shipbuilding, Naval and Special Ships, Offshore and Industrial Plant Engineering, and Engine and Machinery. The company was founded on June 1, 2019 and is headquartered in Ulsan, South Korea.

Wuxi General Monitors Co. Ltd. is a Chinese private company located in Wuxi that wholesales industrial machinery and equipment.