China United Network Communications Group Co., Ltd. (Briefly named "China Unicom") was established on January 6, 2009 on the basis of the former China Unicom and China Netcom, which used to play the important roles on china's telecom market with their own advantages in different professional areas respectively. China United Network Communications Group Co.,Ltd ("China Unicom") was officially established on 6 January 2009 on the basis of the merger of former China Netcom and former China Unicom. It has subsidiaries in 31 provinces (autonomous regions and municipalities) across China and many countries and regions around the world.

AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company, the largest provider of mobile telephone services, and the largest provider of fixed telephone services in the United States through AT&T Communications. Since June 14, 2018, it is also the parent company of mass media conglomerate WarnerMedia, making it the world's largest media and entertainment company in terms of revenue. As of 2018, AT&T is ranked #9 on the Fortune 500 rankings of the largest United States corporations by total revenue.

China Telecom Corp., Ltd. is a Chinese Telecommunications company. It is one of the listed companies of state-owned China Telecommunications Corporation. Its H share traded in the Stock Exchange of Hong Kong since 15 November 2002. It is a constituent of Hang Seng China Enterprises Index, the index for H share of state-controlled listed companies.

China Mobile Communications Group Co., Ltd. provides basic telecommunications services. It also offers value-added telecommunications, Internet audiovisual programs, mobile television distribution, and Internet protocol television transmission services. Its business activities include radio and television program production and operation, management of system integration, roaming settlement and clearing, technology development, technical services, and advertising. The company was founded on July 22, 1999 and is headquartered in Beijing, China.

Thales is a global technology leader in the Aerospace, Transportation and Defence & Security markets. In 2013, the company generated revenues of EUR14.2 billion with 65,000 employees in 56 countries. With its 25,000 engineers and researchers, Thales has a unique capability to design, develop and deploy equipment, systems and services that meet the most complex security requirements. Thales has an exceptional international footprint, with operations around the world working with customers and local partners.

Sable Networks, Inc. is an American private company located in Santa Clara, CA. The firm manufactures instrument for measuring and testing.

China Mobile Group Zhejiang Co., Ltd. is a company headquartered in Hangzhou, China and ultimately controlled by the Government of China. The firm provides mobile telecommunications services.

OPPO Electronics Corporation is an electronics manufacturer based in Dongguan, Guangdong, China. Its major product lines include MP3 players, portable Media players, LCD-TVs, e-books, DVD/Blu-ray Disc players, and mobile phones. Founded in 2004, the company has registered the Oppo brand name in many parts of the world. OPPO Electronics Corporation has registered its divisions in Indonesia, Thailand, India, Bangladesh, and more.

Kalray (Euronext Growth Paris: ALKAL) is a leading provider of hardware and software technologies and solutions for high-performance, data-centric computing markets, from cloud to edge. Kalray provides a full range of products to enable smarter, more efficient, and energy-wise data-intensive applications and infrastructures. Its offerings include its unique patented DPU (Data Processing Unit) processors and acceleration cards as well as its leading-edge software-defined storage, and data management offers. Separated or in combination, Kalray’s high-performance solutions allow its customers to improve the efficiency of data centers or design the best solutions in fast-growing sectors such as AI, Media & Entertainment, Life Sciences, Scientific Research, Edge Computing, Automotive and others. Founded in 2008 as a spin-off of the well-known French CEA research lab, with corporate and financial investors such as Alliance Venture (Renault-Nissan-Mitsubishi), NXP Semiconductors or Bpifrance, Kalray is dedicated through technology, expertise, and passion to offer more: more for a smart world, more for the planet, more for customers and developers. www.kalrayinc.com

Tencent Technology (Shenzhen) Co., Ltd. designs and develops computer software and provides Internet information services in China. It offers instant messaging services; QQ, an Internet-based instant messaging tool to support online message communications and instant voice, video, and file transmission; TM, an instant messaging communication software application; Real Time eXchange, an instant messaging platform launched for enterprises; Traveler, a multi-page web page browser; QQDoctor, an anti-virus tool developed to address the problem of Trojan viruses that steal QQ passwords; QQMailbox, provides e-mail services to users; and QQDownload, software that simultaneously supports various download tasks. The company was founded in 2000 and is located in Shenzhen, China.

Sichuan Public Information Industry Co., Ltd., established on 1996-12-04, Business scope includes licensed projects:The first type of value-added telecommunications services;The second type of value-added telecommunications services;Basic Telecom Services;Construction Engineering Construction;food sales;Internet culture management(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)General project:Information Consulting Service(Not including licensing information consulting services);Information Technology Consulting Services;Information system integration service;software development;Advertising Design,acting;advertisement making;advertising;Socioeconomic Advisory Services;graphic design;Technology Import and Export;Import and export;Domestic trade agent;sales agent;internet sales(Except for products that require a license for sale);Business Management Consulting;Sales of agricultural and sideline products;needle textile sales;Clothing and apparel retail;Sporting Goods and Equipment Retailing;Cosmetics Retail;Personal Hygiene Sales;Sales of hygiene products and single-use medical products;Animal Husbandry and Fishery Feed Sales;Fresh Fruit Retail;Fresh Vegetable Retail;Arts and crafts and etiquette supplies sales(Except for ivory and its products);Sales of building decoration materials;Communication equipment sales;Sales of labor protection products;electronics sales;Retailing of computer software, hardware and auxiliary equipment;Camera and Equipment Sales;Home Audiovisual Equipment Sales;Daily necessities sales;Sales of Class I Medical Devices;Sales of building materials;Chemical product sales(No licensed chemical products);Machinery sales;Hardware retail;Single-purpose commercial prepaid card agency sales;Labor service(Does not include labor dispatch);Housekeeping;Business agency service;Domestic Freight Forwarding;International Freight Forwarding(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Haidexin focuses on intelligent emergency equipment and service solutions. They develop and manufacture various emergency power supply vehicles, box transformer vehicles, bypass operation vehicles, communication command vehicles, multi-functional lighting vehicles, medical vehicles, life support vehicles, equipment vehicles, and more.

China Mobile Communication Co., Ltd. is a mobile communication company in China. It is mainly engaged in mobile communication and related business

CreekPath Systems was a global provider of policy-based storage automation products that enabled customers to optimize their storage investments. The CreekPath solutions offered policy-based visibility and operational control of the storage assets within a data center. This visibility and control provided customers with a complete understanding of the costs and benefits of key storage assets as well as the impact on the data center.

Beijing Uxsino Software Co., Ltd. engages in the research, development, production and sale of information security software. It offers data protection products, business performance monitoring systems, next-generation firewall systems, anti-dazzle party system database audit systems, enterprise retirees fingerprint registration and comparison systems, and electronic archives and image integrated management systems, as well as other solutions. The company was founded on February 13, 2009 and is headquartered in Beijing, China.

Zhongxun Post and Telecommunications Consulting and Design Institute Co., Ltd., established on 1991-11-11, The scope of business includes consulting on communication information engineering and construction engineering,survey,design,EPC;information network,Communication Network Design,integrated,software development;technology development,technical consulting,Technical Services,technology transfer,Technical labor service;Special supporting equipment for communication,Material development,Production,Sales(Unless the state has specific monopoly regulations);Office space for rent;lease commercial premises;Technical testing.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

Symantec, Inc. is a private company headquartered in Burlington, MA. The firm provides computer security services.