Xisai.com is an institution that integrates training for software proficiency tests (STEM), PMP, communication engineers, first-level construction engineers, second-level construction engineers, economists, finance, postgraduate entrance examinations, doctoral English examinations and other examinations as well as in-house training for enterprises. It provides registration time and entrance for STEM (all levels of STEM subjects such as information system project managers, system integration project management engineers, network engineers, etc.), PMP, communication engineers, first-level and second-level construction engineers, economists and other examinations, score inquiry entrance, previous years' real question banks and answers, live classrooms, face-to-face training, published tutoring materials, video tutorials and lecturer Q&A, etc., an online vocational education service platform.

Practicality + Accuracy + Reality The practical learning system of the core Accuracy that is converted into grades Educore that makes imagination a reality Core introduction Core curriculum Admissions information Curriculum in progress Basic category Test lecture Basic category World history Ancient edition Sale! Basic category History of Ancient Egypt 330,000 won 299,000 won Basic category Reading comprehension lecture for the college entrance exam 3 Basic category Reading comprehension lecture for the college entrance exam 2 Basic category Reading comprehension lecture for the college entrance exam 1 Core news Frequently asked questions How to get a refund I want to know how. Refunds are not available for online lectures. How to use coupons… Home See more »

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Yidiyou Download Station is a dedicated website for safe, high-quality, free software resources, consistently offering users effective and secure download services. It allows users to confidently download their preferred software, particularly focusing on mobile applications and mobile games.

As China's leading new generation software developer of new energy charging platforms, Yidian Bangke is committed to the customized development and functional improvement of software and hardware products, creating powerful digital operation and management tools, and aggregating upstream and downstream resources of the new energy industry to drive the connection and cooperation of ecological partners. It provides customers with full value chain, full scenario, and all-round new energy vehicle charging solutions, and develops and builds an operation platform with more friendly charging, safer data, more efficient management, more stable operation, more complete functions, and more advanced technology.

Tokyo Gas Information site for commercial and industrial customers that meets a variety of business needs, including gas air conditioning, cogeneration, kitchen equipment, and solar power generation

Sale of Electrical Material and Equipment

Electronic Engineering World (EEWorld) is an online media that provides information on electronic technology development and application for Chinese electronic engineers and electronic design managers. The core of its content service is to quickly disseminate the latest technology products of electronic components in the field of semiconductor integrated circuits, deeply explore and share the development experience of various electronic equipment and the application knowledge of electronic technology, and provide various tools and information needed by electronic engineers and design managers. Channels include: automotive electronics, mobile phones, digital TV, network communications, industrial control, test and measurement, security electronics, medical electronics, single-chip microcomputers, embedded systems, analog electronics, DSP, power management, FPGA, RF wireless, optoelectronic display, sensor technology, buffer storage, MEMS, semiconductor design and manufacturing, LED

Efensol specializes in the manufacturing and distribution of high-quality electronic components, particularly in the field of renewable energy solutions.

Efergia is a company that specializes in the production and commercialization of renewable energy solutions, particularly in the field of solar energy.