PT. Quantum Buku Sejahtera is a company engaged in the publishing and distribution of books, especially vocational books throughout Indonesia. PT Kuantum Buku Sejahtera or what can be called Quantum Book was initiated by experts and practitioners in the vocational vocational field in mid-2018 located in Arjosari, Malang, East Java. Quantum Book is present in the midst of society to complement and meet the problem of the need for books, especially vocational books, as well as being a medium to meet the needs of knowledge for a better world of vocational education.

The textbooks that we provide are aligned with the needs of industry in Indonesia. Also equipped with strengthening KI&KD (Industry Link & Match), Learning Objectives, Infographics and updated lesson plans based on Science, Technology, Engineering and Mathematics (STEM). This makes it easier for teachers to convey material in teaching and learning activities both in class and in the practicum laboratory.