YITONG.YITONG was established in 2002 in Nanyang City, Henan Province, as an enterprise specializing in the R&D and production of explosion-proof safety and special environment application equipment. YITONG's primary products include explosion-proof air conditioners and industrial air conditioners, explosion-proof audio-visual equipment and smart terminals, explosion-proof electrical control systems and system integration, scenario platform development, and explosion-proof technical services. These products are widely utilized across numerous industries and national key projects, including energy refining and chemical processing, chemical engineering, biopharmaceuticals, military and defense, warehousing and logistics, and power electronics. YITONG currently employs over 150 R&D and technical personnel, including more than 10 senior explosion-proof experts, 12 senior-level professionals, 26 intermediate-level professionals, and 28 software developers. The company operates integrated management systems including MES, ERP, PLM, and CRM, supported by comprehensive engineering testing facilities and infrastructure. These include explosion-proof laboratories, performance testing labs, network testing rooms, electrical integration labs, enthalpy difference labs, aging labs, and environmental testing facilities. The company possesses over 100 sets of testing equipment, including an air conditioning performance testing center, integrated control cabinet test benches, transformer test benches, video test benches, drop and vibration test benches, lithium battery test systems, fan test systems, spray water test systems, dust test systems, cryogenic test systems, salt spray test systems, impact test systems, dynamic balancers, and hydraulic pressure test machines. Primary products include: Specialized Air Conditioners, Explosion-Proof Air Conditioners, Industrial Process Air Conditioners, IoT & Visual Terminals, Video Surveillance Integration, Audio Intercom & Broadcast Systems, Intelligent Equipment Systems, Flameproof Enclosures, Positive Pressure Enclosures, Dust-Proof Enclosures, Other Explosion-Proof Electrical Equipment, Explosion-Proof Electric Heaters, and Explosion-Proof Fan Series.