Shenzhen Ring& Tone Electronic Technology Co., Ltd. (R-tone Tech) is a leading Subscriber Line Interface Circuit (SLIC) provider in China, which is specialized in research, development and manufacture of sophisticated SLIC circuits and SLIC-related products to meet the needs of customers worldwide.

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Helpyou Group Co., Ltd is a professional network solutions supplier which was built in 2005. Since the establishment, we sincerely cooperated with clients and trade companies all over the world with a serious working attitude. The business was expanded and the turnover was increased every year. Our company agents the products of noted communication equipment manufacturers, they are Huawei, Cisco, DELL, Ruckus, Fortinet, Polycom, Yealink, Maxhub, Axis, etc. We developed import and export business and established long-term stable cooperation and relationship with companies in over one hundred countries from Northern Europe, Oceania, America, Southeast Asia, the Middle East. We have accumulated rich experience in customer service simultaneously. Helpyou Group Co., Ltd earnestly implements national laws and policies, abide by the general international business practices, keep the principle of equality and mutual benefit. According to superior service and win-win business purpose, we set up and develop a partnership between our customers in each country and region, connect the international and Chinese market. The company always takes integration of the advantages of import and export in order to provide domestic and international clients with superior service. Over a decade, today we will stand on a higher starting point and expect to accomplish remarkable prosperity with concerted efforts!

Nanjing Desi Weiye Software Technology Co., Ltd. Specializes in the development of next-generation network NGN converged communication emergency command and dispatch system, and is a leading domestic government and enterprise information and communication integration solution provider. The company is located in Nanjing, capital city of Jiangsu Province. The company has formed cooperative partnerships with many well-known enterprises and scientific research institutions at home and abroad, including the Academy of Postal Sciences, Theil Laboratory, Telecommunication Research Institute, China Telecom, China Mobile, China Unicom, AVAYA, CISCO, Dialogic, Bell Alcatel, etc.

Guangzhou Temeisheng Audio Technic Co., Ltd. Specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Guangzhou Temeisheng Audio Technic Co., Ltd. Uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Guangzhou Temeisheng Audio Technic Co., Ltd. Advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.

Established in 1999, telepower is a leading provider in the design, manufacture and marketing of advanced telecommunications devices, covering PBX, pabx, POS, evd (electronic voucher

Haoma (Beijing) Technology Co., Limited is a fully committed organization offering Cisco /Huawei Switch, Rack Server, Router, Network Module, Firewall, Wireless ap and IP phone, as well as memory and cable products ect. We specialize in new and used 100% original Cisco/Huawei equipments at good competitive price. Our intention is to grasp the needs of customers, and will combine the best cost-effective products for customer service; Our tenet is "Honesty, Mutual Benefits"! The rich experience of our wealth, serious and responsible attitude is our responsibility.

Yican Information Technology (Shanghai) Co., Ltd., established in 2011, is an excellent provider of IP unified communication and VoIP products.

Founded in 2011, Shenzhen DINSTAR Co., Ltd. is a leading global provider of IP Unified Communication and VoIP products. We have been delivering more agile, efficient and affordable communication solutions to our customers through our reliable, innovative and future-proof products. Now we have more than 180 specialists, most of them coming from top-rank global telecommunication providers, who have dedicated themselves to VoIP, unified communication and wireless mobile network technology for more than 15 years.

UCOM, was founded in the late 20th century the United States in Silicon Valley, the manufacturing base is located in Hsinchu Science-Based Industrial Park, Taiwan, and Economical high-tech industrial Area in Shenzhen China, in order to create their own brand of UCOM for global sales in the United States, Japan, the EU market is widely popular. It's becoming the fastest-growing network of brands int the new century.