Your Professional Testing Partner

Aitelong is a high-tech brand under Guanggu Inc., which was founded in 2009, specializing in the R&D, manufacturing, and global distribution of communication testing instruments and backup power maintenance equipment. We deliver high-performance, cost-effective, and durable solutions for optical networks, data transmission, wireless communications, and battery backup systems, serving industrial and telecom clients worldwide.

With almost 20 years of industry expertise, a rigorous quality management system, and continuous technological innovation, Aitelong has become a trusted manufacturer for telecom operators, engineering contractors, power grid systems, railway transportation, mining, financial data centers, and public security sectors across the globe.

Four Core Product Series – Covering the Full Spectrum of Network Deployment and Maintenance

Our product portfolio is structured around four key business lines, precisely addressing the entire lifecycle from installation and commissioning to troubleshooting, acceptance testing, and routine maintenance:

• Fiber Splicing & Optical Network Test Instruments: Including fusion splicers, OTDRs, optical power meters, and other fiber testing devices, tailored for FTTH, backbone networks, 5G, and data communication projects.

• Data Transmission Test Instruments: Featuring PCM channel analyzer, bit error testers and transmission analyzers to verify the stability and accuracy of communication links.

• Wireless Test Instruments: Professional spectrum analyzer and communication vector signal interference source, used for wireless network testing optimization, and ongoing maintenance.

• Backup Power Maintenance Instruments: Including battery discharge testers, intelligent battery chargers, battery activators, and AC load banks, designed for daily maintenance, capacity verification, and performance recovery of backup battery systems.

Innovation-Driven R&D and Full-Process Quality Control

Aitelong adheres to an innovation-driven strategy, integrating university research resources with in-house technical expertise to continuously enhance product performance and core algorithms. All products are independently designed, developed, and manufactured in-house, supporting both standardized mass production and customized ODM/OEM services.

We implement strict end-to-end quality inspection – from incoming material verification and production assembly to burn-in testing and factory calibration. Every instrument undergoes comprehensive testing before delivery, ensuring stable and reliable operation even in demanding field environments.

Industrial-Grade Quality at an Unbeatable Value

Quality is our foremost priority. Aitelong strictly complies with international manufacturing and testing standards and has obtained a series of authoritative certifications. Compared with traditional high-priced imported alternatives, our products deliver comparable industrial-grade stability while offering superior cost performance – helping global customers reduce project costs and improve engineering efficiency.

24/7/365 After-Sales Support – Your Reliable Backing

We provide round-the-clock professional after-sales service and technical support, available 365 days a year. From product selection and technical training to on-site guidance, after-sales maintenance, and spare parts supply, we offer full-lifecycle, worry-free service. You focus on your projects – we handle all technical and support needs.

Our Mission and Vision

Aitelong’s mission is to solve real-world technical challenges for global customers with professional testing and maintenance solutions, and to continuously empower our clients' business growth. We are committed to becoming a long-term, reliable, and professional partner in the global communication and power maintenance industry.