About Us

Founded in 2014 in Changsha High-tech Development Zone, CROXS Instrument Co., Ltd. is a national high-tech enterprise dedicated to power system testing and smart grid solutions. The company has been recognized as a National High-Tech Enterprise, National Technology-Based SME, and Specialized, Refined, Unique, and Innovative SME in Hunan Province. With strong R&D capabilities and multiple national patents, CROXS delivers reliable and advanced testing instruments that support the safe, stable, and efficient operation of modern power systems.

Our Story

Since its establishment, CROXS has focused on developing intelligent and practical solutions for the evolving power industry. As digital substations, renewable energy integration, and IEC 61850 technologies continue to reshape modern grids, CROXS has remained committed to innovation and technical excellence. Starting with relay protection testing equipment, the company gradually expanded its portfolio to include IEC 61850 testing solutions, optical-digital maintenance devices, and comprehensive smart grid testing systems.

Through years of continuous development, CROXS has built a strong reputation for product reliability, precision, and user-oriented design. Our instruments are widely used in grid commissioning, substation maintenance, renewable energy projects, industrial power systems, and smart grid applications. By combining portability, intelligent software, and high-performance hardware, CROXS products help engineers improve testing efficiency, reduce maintenance complexity, and ensure power system safety.

Our Team

CROXS is powered by a professional and experienced team specializing in power systems, automation, embedded technology, and software development. Our engineers and technical experts possess extensive industry knowledge and practical field experience, enabling us to understand the real challenges faced by utilities, EPC contractors, testing companies, and industrial users.

The company places strong emphasis on research and development, continuously investing in new technologies and product optimization. Guided by a customer-focused philosophy, our team works closely with clients to provide dependable solutions, responsive technical support, and customized services tailored to different application requirements. This collaborative approach has helped CROXS establish long-term partnerships with customers both domestically and internationally.

Our Vision

CROXS is committed to becoming a trusted global provider of intelligent power testing and smart grid solutions. As the energy industry transitions toward digitalization, automation, and renewable integration, we aim to deliver advanced technologies that contribute to safer, smarter, and more efficient power systems worldwide.

Driven by innovation, quality, and long-term customer value, CROXS will continue expanding its technological capabilities and international presence. Our vision is to support the global power industry with dependable testing solutions that enhance operational reliability and accelerate the development of modern energy infrastructure.