Shanghai Longrong Electric is an emerging technology-based modern enterprise, located in Songjiang District, which is known as the "International Garden City". The original company has more than 30 years of experience in the development and production of fuses. Its products have won the long-term favor of customers with excellent quality and excellent service.

We provide the latest solutions for network security systems

A professional company specializing in lighting, stage beauty, video, and projection effects, with a professional team and leading technology.

"I always feel unwell on rainy mornings..." Headache-ru is a health and weather tool that allows you to check in advance the dates and times when meteorological illnesses such as headaches caused by changes in air pressure are likely to occur.

Zhongxun, a professional provider of GPS locators, GPS locators, handheld GPS, personnel locators, vehicle-mounted GPS locators and electric vehicle GPS anti-theft devices; a brand of Meiligo, a global large-scale GPS equipment manufacturer and operator. Hotline: 400-0178-760

【Official website】Wuhan Zhongyuan Huadian Technology Co., Ltd._In terms of smart grid business, the company mainly focuses on the research and development, manufacturing, sales of products required by users and provides related services around smart substations, smart distribution networks, and new energy applications. The main products are power system dynamic recording systems, power system time synchronization and measurement systems, smart grid instruments, 110kV and below voltage level substation integrated automation systems, smart distribution network dispatching and integrated automation systems, energy Internet system integration and intelligent equipment, and also provides 110kV and below substations, distribution network repair, trial operation and maintenance services, as well as energy Internet planning, design, consulting and operation and maintenance services. One of the company's main products, the power fault recording device technology and market share have always been in the leading position in the industry, and have been successfully applied to the world's largest hydropower station-the Yangtze River Three Gorges Water Conservancy Project, 1000kV AC/±800kV DC UHV projects and nuclear power plants and many other national key projects.

Henan Zhongyuan Fire Engineering Co., Ltd. was founded in 2000 and is headquartered in Zhengzhou, the heart of the Central Plains. After years of development, it has become a modern enterprise group with diversified operations such as fire protection construction, testing, maintenance, building intelligence, electromechanical equipment, steel structure, and building decoration.

Qihong Semiconductor Technology (Jiangsu) Co., Ltd. is a technology research and development application company! It is engaged in the research and development, maintenance and sales of chip/integrated circuit/semiconductor processing and production equipment; it mainly carries out research and development and upgrading of various components based on the etching of AMAT, LAM (P5000, Centura, 9400, 9600, etc.), PCB circuit boards on thin film process equipment, valve parts repair (lam pcb repair), (AMAT PCB repair) intelligent sensor research and development application, and electrical control component repair, and strives to localize industry equipment components. At the same time, it vigorously develops intelligent products based on integrated circuit technology, drives the downstream with the upstream, and promotes the vigorous development of the entire industry.