With experience in European packaging and processing technology since 1992, Stefanus Danusastra decided to establish PT. Jayapak Sinar Abadi in the year 2000.

Danusastra's extensive knowledge and experience in the machine industry has led to Jayapak's growth for over 2 decades, and leading to the founding of STV Machine. Today, Stefanus Danusastra serves as the founder and president director of Jayapak.