NTT DOCOMO provides mobile telecommunication services through its W-CDMA networks in Japan. The company offers voice, data, and other value-added services; public wireless LAN and international roaming services; and satellite cell phone services. Its products and services include Office Link, which allows mobile phones to be used as internal lines; Business Mopera Anshin Manager, which enables the unified control of corporate mobile phones; Business Plus, a package of cloud-based enterprise services; Dcreators, an online market for accessories, smartphone cases, and interior accessories; Dfashion, a fashion e-commerce site; Dkids, an educational content service for families with infants; Dtravel, a travel service that offers travel support services; and Ddelivery, a food delivery service. In addition, NTT DOCOMO provides Docomo Mail, a cloud-based email service; Docomo ID, an account identification service; machine-to-machine (M2M) services; and Petfit, which allows users to check their pet dog’s health condition or location through smartphones or other devices. Further, it offers services in various business fields, including media, finance, commerce, healthcare, M2M, aggregation, ecology, and safety. Additionally, the company operates in the medical database business as well as provides lifestyle guidance in dining and cooking areas. In addition, it purchases and sells smartphones, tablets, and data communication devices. NTT DOCOMO was founded in 1991 and is headquartered in Tokyo, Japan. Currently, NTT DOCOMO, Inc. operates as a subsidiary of Nippon Telegraph and Telephone Corporation.

Huawei Device Co., Ltd. engages in the development, production, and sale of communication and electronic products. It offers computers, satellite television (TV) receiving antennas, tuners, digital satellite TV receivers, medical equipment, and auxiliary products. Its services include technical consultation and value-added telecommunications business operations. The company was founded on November 23, 2012 and is headquartered in Dongguan, China.

Ruban Quantum Technology Co., Ltd., established on 2017-11-29, Business scope includes information system technology,quantum communication technology,converged communication technology,Technology development for universal quantum technologies,Technical Services,Technical consultation and transfer of technological achievements;Development of commercial encryption products;Computer System Integration Services;Sales:communication products,electronic product(Except for electronic publications),computer software,the hardware.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.

nChain Holdings Ltd. engages in blockchain centric research and development. It offers off-the-shelf and bespoke solutions. The firm provides platform services which integrate enterprise-grade blockchain solutions. The company is headquartered in London, the United Kingdom.

Telefonaktiebolaget LM Ericsson engages in the provision of telecommunications equipment and related services to mobile and fixed network operators. It operates through the following segments: Networks, Digital Services, Managed Services, and Emerging Business and Other. The Networks segment supports all radio-access technologies and offers hardware, software and related services for both radio access and transport. The Digital Services segment provides software and services in the areas of digital business support systems, operational support systems, cloud communication, cloud core, and cloud infrastructure. The Managed Services segment includes networks and information technology managed services, network design and optimization, and application development and maintenance. The Emerging Business and Other segment encompasses emerging business, Iconectiv, Red Bee Media, and Media Solutions. The company was founded by Lars Magnus Ericsson in 1876 and is headquartered in Kista, Sweden.

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

Sansec Technology Co., Ltd. engages in the research, development, and sale of cryptographic technology and cryptographic products. It offers cipher boards, password machines, password systems, and password services. The company was founded on August 18, 2008 and is headquartered in Beijing, China.

Nippon Telegraph & Telephone Corp. operates as a holding company which engages in the provision of telecommunication services. It operates through the following business divisions: Regional Communications, Long-Distance and International Communications, Mobile Communications, Data Communications, and Others. The Regional Communications division offers domestic intra-prefectural communication services such as fixed voice-related, Internet protocol (IP), and packet communications services; and sells telecommunications equipment. The Long Distance and International Communications division deals with the domestic intra-prefectural and international communications, and system integration services. The Mobile Communications division provides the mobile voice-related, IP, and packet communications services. The Data Communications division covers the system integration and network system services. The Other division engages in the real estate, finance, engineering, system integration and data processing services, and development of technologies and shared operations. The company was founded on August 1, 1952 and is headquartered in Tokyo, Japan.

Chunghwa Telecom was officially established on July 1, 1996 as part of the Republic of China government's privatization efforts. Prior to this, it operated as a business unit of the Directorate General of Telecommunications for over 100 years. The company’s common shares have been listed on the Taiwan Stock Exchange under the number “2412” since October 2000, and its ADSs have been listed on the New York Stock Exchange under the symbol “CHT” since July 2003. In August 2005, Chunghwa Telecom became a privatized company, as the Taiwan government’s ownership was reduced to less than 50%. HiNet has been heavily criticized for being a haven for senders of email spam, which has resulted in many Internet service providers routinely blocking e-mails originating from the service. Source: Wikipedia

Shanghai Juzhen Financial Information Service Co., Ltd., established on 2014-06-23, Business scope includes financial information services(Except financial business),Accept the entrustment of financial institutions to engage in financial information technology outsourcing,Financial business process outsourcing,Financial Literacy Process Outsourcing,engaged in network information technology,computer technology,Technology development in the field of network technology,technical consulting,Technical Services,technology transfer,Computer software development and sales,Sales of Electronics,computer data processing,Own Equipment Rental(Excluding financial leases),e-commerce(Not allowed to engage in value-added telecommunications,Financial services),Trade Brokers & Agents(except auction),Securities Advisory(not to engage in securities,Insurance business),Investment Advisory,asset Management,Market information consultation and investigation(Do not engage in social investigation,social research,poll,opinion poll),Ticket agent,Advertising Design,make,acting,Publish with own media,Third Party Logistics Service(Except transportation). [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

China Mobile (Suzhou) Software Technology Co., Ltd., established on 2014-03-04, Business scope includes mobile communication technology,Internet application technology,Research and development of computer hardware and software,And provide technical advice,technology transfer,Technical Services;Computer Application Software Services,and provide technical services;Production of computer hardware and software products and accessories,Sales;Computer Equipment Rental;Computer Information System Integration Services;Own house rental;design,make,acting,Place an ad;Value-added Telecom Services(according to<Value-added telecommunications business license>Upper scope operation).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:Cloud Computing Equipment Manufacturing;Cloud Computing Equipment Sales;internet data service;Information Technology Consulting Services;Educational Consulting Services(Education and training activities that do not include licensing approval);Conference and Exhibition Services;Sales of Class I Medical Devices;Sales of Class II Medical Devices(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Beijing Wodong Tianjun Information Technology Co., Ltd., established on 2018-05-03, Business scope includes technology development,technology transfer,technical consulting,Technical Services;sell electronics,computer,Software and Auxiliary Equipment;Computer System Services;Basic software service;Application software service;data processing(Bank Card Center in Data Processing,PUEvalue in1.5Except for the above cloud computing data centers);market survey;Economic and Trade Consulting;Conference Services;photography service;Typing and copying;Undertake exhibition and display activities;computer graphic design;design,make,acting,Place an ad;Machinery and Equipment Leasing.(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.)

China Energy Construction Group Gansu Electric Power Design Institute Co., Ltd., established on 1990-04-12, Business scope includes contracting overseas power projects(Including domestic and international bidding projects)survey,consult,Design and Supervise Projects,Equipment required for the above overseas projects,Material(Except for projects prohibited by the state and subject to special permits)Export;project consultancy;Engineering Investigation;Engineering surveying and mapping;Power and supporting engineering consulting,design,supervision,EPC;Engineering project management and technical services;Bidding agency;Engineering Technology Development,Consulting and transfer of achievements;electric equipment,Sales and lease of building materials(Does not include financial services);Typing and copying;Own house rental;electricity sales.(The above projects are subject to approval according to law,Business activities can only be carried out after approval by relevant departments)***

Harbin Institute of Technology (Shenzhen) (HITSZ; Chinese: 哈尔滨工业大学深圳校区), was established in 2002 as a satellite graduate school of the Harbin Institute of Technology. Currently, over 3,000 graduate students attend HITSZ situated in Shenzhen University Town, Nanshan District, Shenzhen. The campus has an area of 16.36 hectares of which 3.04 hectares are shared facilities with two other graduate schools of Tsinghua University and Peking University.

China UnionPay Co., Ltd. Hunan Branch, established on 2002-10-18, The scope of business includes the construction and operation of a bank card cross-bank information exchange network;Provide advanced electronic payment technology and professional services related to bank card cross-bank information exchange;Coordinate and arbitrate inter-bank transaction disputes;management and operation"UnionPay"logo;Carry out bank card technology innovation;Assist the head office to organize industry training,Business seminars and international exchanges,Engage in related research consulting services.Other related service businesses approved by the People's Bank of China.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Hangzhou Secret Ape Technology Co., Ltd., established on 2016-02-26, Business scope includes services:Computer hardware and software,Network Information Technology,Technology development of communication equipment,Technical Services,technical consulting,Achievement transfer,Non-Certificate Labor Occupational Skills Training for Adults(Except for projects involving pre-approval),Business Consulting(Intermediary),Business Management Consulting,product design,Brand Promotion,design,make,Agency for domestic advertising;wholesale,retail:Daily necessities,handcrafted gift,Office Supplies,electronic product,communication equipment(In addition to exclusive control),Computer hardware and software,Office automation equipment;Import and export of goods and technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

NTT Communications provides a broad range of global networks, management solutions and IT services to customers worldwide. The company is renowned for reliable, high-quality security, hosting, voice, data and IP services, as well as expertise in managed networks and leadership in IPv6 transit technology. NTT Communications extensive infrastructure includes Arcstar Global IP-VPN and Global e-VLAN, as well as a Tier-1 IP backbone reaching more than 150 countries in partnership with major Internet service providers, and secure data centers in Asia, North America and Europe. NTT Communications is the wholly-owned subsidiary of Nippon Telegraph and Telephone Corporation, one of the worlds largest telecoms with listings on the Tokyo, London and New York stock exchanges. Please visit www.ntt.com/index-e.html.

Samsung Electronics is a global technology company headquartered in South Korea that operates in various areas of the electronics industry, including consumer electronics, information technology, mobile communications, and device solutions. The company is involved in the development, manufacturing, and sale of a wide range of consumer products, such as mobile phones, tablets, TVs, home theater systems, digital cameras, and home appliances like refrigerators, air conditioners, washing machines, and ovens. Additionally, it offers PCs, peripherals, printers, memory and storage products, healthcare and medical equipment, telecommunications infrastructures, and LED lighting solutions. The company is also involved in semiconductor manufacturing, cyber game match hosting, venture capital investments, sponsoring sports teams and games, credit management, and logistics services. Samsung Electronics operates in various regions worldwide, including Korea, China, North and Latin America, Europe, the Asia Pacific, and Africa. The company also provides repair services and consultation for electronic devices and communication systems.