Is the thickness of 0.326 color-coated plate the thickness of the base layer?

Production Internship Report of Electronic Information Engineering Major 1. Purpose of Production Internship Production internship is a very important practical teaching link in Electronic Information Engineering major and any other major. It is to cultivate students' practical ability and analyze and solve problems. Basic training that combines ability, theory and practice. It is also the source of original materials for students' graduation project topics and design work, laying a solid foundation for students to carry out graduation projects. Seriously doing a good job in teaching production practice and improving the quality of production practice teaching are important links in improving students' business quality and ideological quality. 1. Train students in various basic skills and practical abilities necessary for engaging in professional technical work and management work. 2. Let students understand the organizational forms, management methods, technological processes and technological methods of modern industrial production within the business scope of this major. 3. Cultivate students' ability to integrate theory with practice, analyze problems, research problems and solve problems based on reality, and systematize the knowledge students have learned. 4. Cultivate students’ work style that loves labor and is not afraid of hardship or tiredness. 2. Requirements for production internship 1. Understand the composition and configuration of computer communication networks and corporate intranets, master the working principles, structures, installation, and fault identification methods of the information systems (software and hardware) in contact, and be familiar with the use of basic network testing tools, system planning software and network databases How to use. 2． Understand the basic functions of servers, switches, hubs, network cards, optical fibers and thick and thin cables, and understand the general principles for their selection and the use of corresponding network management software. 3． Understand the composition of the information flow of the enterprise, that is, the nature and purpose of the supply chain, product chain, capital chain, and information chain, and initially form the overall concept of the enterprise information system and computer communication network. 4． Through lectures and visits, we can learn about the development and usage of communication and network technology, enterprise information management systems, e-commerce, and the application of new achievements and new technologies. 3. Introduction to production internship enterprises 1. Handan Iron and Steel Co., Ltd. Handan Iron and Steel Group Co., Ltd. (Handan Iron and Steel for short) is located in Handan, a famous historical and cultural city in my country, a central city at the junction of the four provinces of Shanxi, Hebei, Shandong and Henan, and an important industrial base in Hebei Province. . Since the factory was built and put into operation in 1958, Handan Iron and Steel Group has gone through nearly half a century of hard work and has developed from a little-known local small and medium-sized enterprise to a company with total assets and sales revenue exceeding 30 billion yuan and an annual steel output of 8 million tons. modern steel enterprise group. In the 1990s, during the transformation of the economic system, Handan Iron and Steel took the initiative to push the wall into the sea and go to the market. By creating and continuously deepening an operating mechanism with "simulating market accounting and implementing cost veto" as the core, it created significant economic benefits and Social benefits, it has become a successful example of state-owned enterprises achieving two fundamental transformations, and has been set by the State Council as a model for the country to learn from, and is hailed as "a red flag on the national industrial front." The company has successively won titles such as National Advanced Enterprise for Quality and Efficiency, National May Day Labor Certificate, National Outstanding Enterprise (Golden Horse Award) and National Civilized Unit. Since the 21st century, Handan Iron and Steel Co., Ltd. has innovated and developed to create greater glory. A large number of modern equipment with world-class standards, including a 2.5 million-ton thin slab continuous casting and rolling production line, the country's first hot-rolled sheet pickling and galvanizing production line, a 1.3 million-ton cold-rolled sheet production line, and a 120,000-ton color-coated plate production line, have successively Completed and put into production, the product structure adjustment has been realized with high-quality plates as the mainstay. The company's plate ratio has reached 73, and the comprehensive competitive strength has made a qualitative leap. In 2005, Handan Iron and Steel ranked first among the top 100 enterprises in Hebei Province, 74th among the top 500 Chinese enterprises, 28th in the national manufacturing industry, and 62nd among the top 100 taxpayers in the country. And became a member of the International Steel Association.

2. Handan City Branch of China Netcom (Group) Co., Ltd. Handan City Branch of China Netcom (Group) Co., Ltd. is the municipal operating agency of Hebei Provincial Communications Company of China Netcom Group. It is the leading communications operating enterprise in Handan, with total fixed assets. It is worth nearly 4 billion yuan, has nearly 2,000 employees, and governs 15 county (city) branches. It mainly operates fixed-line telephone and data communication services, and is also responsible for the party and government private network and emergency communication support tasks. Since 1998 , China Netcom (Group) Co., Ltd. Handan City Branch has gone through several reforms such as postal and telecommunications decentralization, mobile divestiture, separation of government and enterprises, and telecommunications reorganization. It is now committed to restructuring and listing and moving towards a modern enterprise. The Handan City Branch of China Netcom (Group) Co., Ltd. and its three county (city) branches in Wu'an, Fengfeng, and Shexian County won the title of "Civilized Unit" in Hebei Province issued by the Hebei Provincial Party Committee and the Hebei Provincial People's Government, 11 County (city) branches won the title of "Municipal Civilized Unit"; 27 business windows were named "Three-Star Window" by the Provincial Civilization Committee, and 9 teams were named "Provincial Youth Civilization Number"; among them, Telecom The sales department also won the honor of "Handan City's Top Ten Model Youth Civilizations". Comrade Wang Jing, an employee of the Handan Branch of China Netcom (Group) Co., Ltd., won the title of "National Youth Job Expert" and became the only advanced individual in the province's communications industry to win this honor. 3. Hebei Mobile Communications Company Handan Branch Hebei Mobile Communications Company Handan Branch was established in July 1999. It was established from the mobile communications business branch of the former Handan Municipal Telecommunications Bureau. It is directly affiliated to Hebei Mobile Communications Company and has 15 counties under its jurisdiction. (City, district) mobile branch. In November 2000, it was successfully listed overseas. The nature of the company was changed from state-owned to wholly foreign-owned, and the name was changed to Handan Branch of Hebei Mobile Communications Co., Ltd. There are currently 288 employees (including 15 counties, cities and districts), mainly engaged in mobile phone communication business (including voice, data, multimedia, etc.); IP phone and Internet access services; engaged in mobile communications, IP phone and Internet and other networks Design, investment and construction; installation, engineering construction and maintenance of mobile communications, IP phone and Internet facilities; operating system integration, roaming settlement and clearing, technology development, technical services and advertising business related to mobile communications, IP phone and Internet services , equipment sales, etc.; sells and leases mobile phone terminal equipment, IP phone equipment, Internet equipment and their spare parts, and provides after-sales services. The company has the largest mobile communication network in Handan, covering all cities, counties and most towns in Handan. It has basically achieved seamless coverage on major transportation arteries and key areas, and has achieved networking with 31 provinces, municipalities and autonomous regions across the country, and 163 mobile operators in 81 countries and regions around the world have implemented automatic international roaming. New services such as calling number display, call transfer, information on demand, short message, Global Mobile Secretary, Global Mobile Banking, Global Mobile IP Phone, Global Mobile WAP and virtual network have been launched successively. As of December 2001, there were more than 290,000 online users. The company is established and managed in full compliance with the requirements of modern enterprise systems, facing the market and serving the society. We always adhere to the service tenet of "user satisfaction is our unremitting pursuit", constantly improve network construction, improve service quality, and provide safe, reliable and convenient mobile communication services for the city's economic development and people's lives. 4. China Tietong Handan Branch China Tietong Handan Branch (Handan Tietong for short) is the business development and operation management organization of China Tietong Group Co., Ltd. (China Tietong for short), a national basic telecommunications operating enterprise, in Handan. It is provided to the public. Basic and value-added telecommunications services such as fixed network local calls, domestic and international long-distance calls, IP phones, public network data transmission, Internet, leasing and selling of communication network elements, video, wireless paging, etc. A national unified customer service system and 10050 customer service hotline platform have been established. China Tietong Handan Branch will highlight its characteristics and give full play to its advantages to provide the public with all-round, multi-level telecommunications services that are "high-speed, safe, reliable and high-quality". With professional quality and excellent service, it will build the China Tietong brand and serve the public. Develop Handan's communications and information industry and make unremitting efforts and contributions to building China into a powerful telecommunications country.

5. Handan City Urban Construction Bureau Handan City Urban Construction Bureau currently has nearly 10,000 employees and 14 subordinate units. It is mainly responsible for urban water supply, gas supply, heat supply, public transportation, landscaping, city appearance and sanitation, municipal construction and management. , urban management and supervision tasks, directly serving the urban economy and people’s lives. In recent years, the bureau has actively focused on the construction and management ideas of "taking the creation of a national garden city as the leader, focusing on the construction of model streets and road network construction, and based on the comprehensive improvement of urban appearance and enhancement of service guarantee capabilities" and vigorously carried out In the tough battle of urban construction management, the bureau has been awarded the provincial civilized unit and the provincial advanced unit for comprehensive social security management for four consecutive years. It has been rated as the city’s “Leadership Group with Outstanding Performance” for four consecutive years. It has won the city’s “Quality Service Cup” for three consecutive years. It has won 19 national honors and 88 provincial and ministerial honors. The main grassroots units in the overall situation include: Municipal Engineering Company, Municipal Management Office, Municipal Water Company, Municipal Gas Company, Municipal Heating Company, Municipal Garden Management Office, Municipal Public Transportation Company, City Appearance and Environmental Sanitation Administration, and Urban Management Supervision Detachment. , Municipal Water Conservation Office. 4. Contents of production internship The production internship of electronic information engineering major mainly focuses on observation and practical operation. In order to enable students to be targeted during production practice, each teaching class must formulate a specific internship plan based on the production practice outline before practice to ensure the implementation of the following contents. 1. Visit the substation area, hot rolling plant area and main control room of Handan Iron and Steel Co., Ltd. to understand the company's information control chain and have a preliminary understanding of ERP enterprise resource planning. The whole process is mainly explained by factory staff, introducing the status and role of enterprise resource management planning (ERP) in enterprise resource management; introducing the overview of ERP technology development and enterprise planning; introducing the composition and interconnection of various local ERP networks; Introduce the company's various rules and regulations, technical regulations, confidentiality system, etc. 2. Visit China Netcom’s Handan Communications History Exhibition Hall to fully understand the development process and future plans of Handan Communications. And deepen the ability to combine the knowledge learned with reality through personal practice and operation. 3. Visit the central computer room of China Mobile Communications Handan Branch, observe the laying method of mobile communication network at close range, and understand the main hub equipment and maintenance methods of mobile communication network. 4. Visit a transfer station set up by Handan Tietong in our school to learn about the implementation principles, network structure, and maintenance methods of the telephone network and Tietong broadband. 5. Visit the monitoring computer room of Handan Urban Construction Bureau, learn about examples of practical applications of various communication lines such as DDN, and actually feel their advantages and disadvantages. 6. Listened to the wonderful lectures given by engineers from various companies to our school. The above contents are mainly to allow students to have a comprehensive and intuitive understanding of the application scope, development process and prospects of various communication networks, to enable students to consolidate, deepen and expand the theoretical knowledge they have learned, and to inspire students to think independently and discover problems. ability.