Hangzhou Maisheng Information Technology Co., Ltd. (hereinafter referred to as MSTCOM) was established in March 2010, focusing on industrial communication transmission equipment and solutions such as industrial Internet, high-definition audio and video, and optoelectronic integration. MSTCOM is led by product research and technological innovation, keenly grasping industry needs, and providing industry customers with secure, reliable, and stable overall solutions for fiber optic transmission, data communication, and network access. MSTCOM products are involved in three-layer managed industrial Ethernet switches, layer 2 managed industrial Ethernet switches, unmanaged industrial Ethernet switches, industrial grade POE Ethernet switches, industrial grade fiber optic transceivers, industrial serial port networking devices, industrial grade wireless APs, AC controllers, commercial grade three-layer managed Ethernet switches, commercial grade layer 2 managed Ethernet switches, commercial grade POE Ethernet switches, security dedicated switches SFP/SFP+/SFP28/QSFP+/QSFP28 optical modules, AOC/DAC high-speed cables, HDMI/DVI/VGA/SDI high-definition audio and video optical transceivers, CVI/TVI/AHD coaxial video optical transceivers, audio optical transceivers, switch quantity optical transceivers, analog optical transceivers, fieldbus optical transceivers, serial data optical transceivers, public security and armed police comprehensive business optical transceivers, gigabit physical isolation optical transceivers, MSAP/SDH/PDH/PCM fiber optic integrated access equipment, protocol converters, fiber optic transceivers, intelligent monitoring boxes, ODF fiber optic distribution frames, fiber optic terminal boxes, fiber optic cables, fiber optic jumpers and other fiber optic communication products. MSTCOM products have undergone authoritative testing and certification by the Ministry of Public Security and the China Quality Certification Center, and have obtained inspection reports from the National Security Alarm System Product Quality Supervision and Inspection Center/Ministry of Public Security Security Security and Police Electronic Product Quality Testing Center, Wilk Communication Laboratory/Information Industry Data Communication Product Quality Supervision and Testing Center, China Quality Certification Center CCC certification, as well as international certifications such as ROHS, CE, FCC, etc. The product has been widely used in major classic projects in various fields such as State Grid, intelligent transportation, snow engineering, safe cities, rail transit, highways, comprehensive pipe galleries, petrochemicals, new energy, armed police forces, prisons, railways, airports, schools, and intelligent buildings.