The 3+2 majors of Jining Institute of Technology mainly include electromechanical integration technology, numerical control technology, marketing, e-commerce and accounting computerization. Jining Institute of Technology, commonly known as Shandong Institute of Technology, located in Jining City, Shandong Province, is an ordinary higher vocational college approved by the Shandong Provincial People's Government. The School of Extended Information, formerly known as Shandong Trade Staff University, was founded in 1950. 1998 was recognized by the provincial department of education as an institution for holding general higher vocational education; In March, 2009, with the approval of Shandong Provincial People's Government, the Ministry of Education put on record and rebuilt it into Shandong Polytechnic Vocational College.

1, mechatronics technology is the synthesis of computer and information technology, automatic control technology, sensor detection technology, servo drive technology and mechanical technology.

2. Numerical control technology belongs to the specialty of mechanical design and manufacturing. This major trains high-quality technical and skilled talents who have mastered the basic knowledge of mechanical parts surveying and mapping, CAD 3D modeling design, reading and compilation of machining process documents, are familiar with safety operation procedures, various metal cutting methods and processing equipment, programming methods and processing of common parts, have the ability to apply NC machine tools, NC machining programming and CAD/CAM software technology, and are engaged in NC machine tool operation and programming, NC machining process compilation, NC machine tool maintenance and debugging, and production management.

3. Marketing, also known as marketing, marketing or marketing, mainly refers to the process in which marketers carry out business activities and sales behaviors for the market.

It is an activity, process and system that brings economic value to customers, customers, partners and the whole society in the process of product creation, dissemination, dissemination and exchange. Classic business management courses such as MBA and EMBA all regard marketing as an important module for management and education managers.

4. E-commerce is an e-commerce major. This major trains application-oriented and compound talents with knowledge of management, economy, law, computer and e-commerce, humanistic spirit, scientific literacy and honesty consciousness, who can engage in website design, website construction and maintenance, marketing planning of enterprise goods and services, customer relationship management, e-commerce project management and e-commerce activities in enterprises and institutions.

5. The full name of accounting computerization is "accounting computer management (application)", also known as accounting computerization, which is a function for accountants to apply what they have learned in accounting to computer software. Computerized accounting can realize the integration of vouchers, account books and statements. Using computer network, enterprises can transmit business information quickly and at low cost, making business communication interactive, fast and effective.