Beijing W&F Technology Co., Ltd. is registered in Beijing, the capital of China, was established in 2006 and has been in continuous operation for 17 years.

XGTime Technology Co., Ltd (XGTime) is a leading provider of communications test solutions in China, which specializes in the research, development and manufacture of sophisticated telecommunications test instruments and systems to meet the requirements of customers worldwide.

Dadi Telecom which is a professional manufacturer established in 1992, with a registered capital of 30 million RMB, develops and manufactures modern communication devices and software.We are a state-certified high-tech enterprise and software company.

Chongqing Chimu Technology Co., Ltd. Was established in 2011, we have been engaged in this industry 13 years. Relying on 12 years of deep experience in the communication field and scientific and technological innovation ability, through the integration of multi-brand, full series of communication products resources, with a one-stop service model. Let the network better connect you and me, connect the world, and make "Made in China" can run smoothly in the world. In order to meet the needs of customers, we have eatablished a perfect supply chain system to provide super products with reliable quality and reasonable price. From demestic to international logistics, we have a complete transportation system and services.

Marstars is one of the leading manufacturers that specialize in Research and Development (R&D), Production and Marketing of Optoelectronic and Networking products in Mainland China.

Shenzhen Hontek Co., Ltd. is a professional international sales company for telecom test equipments. We are the agent of comway, fujikura, sumitomo, exfo, jdsu, anritsu products. At the same time, we have our own factory producing the fiber tester and fiber accessories.

OPWILL has been the highest-level test instrument supplier in the field of data, optical fiber and transmission communications. Also, OPWILL has been wired test instrument supplier of China Mobile with maximum scale since 2012.