The year was 1989 when Rosono Plastik firstly started as a PP and PE plastics and take-away paper distributor in Surabaya. The years gone by and so was the business going well. It took five years to run the business before the founder made decision to spread the market through out Java.
In 1992, Rosono Plastik opened its owned factory as Cahaya Mas Makmur in Jetis, Mojokerto, East Java, Indonesia. The aim of opening this factory is to produce its own PP and PE plastics. At first began with only 2 machines, but due to the good response from the market the founder decided to expand the factory. In 2005, Cahaya Mas Makmur has more than 105 machines that produce PP and PE plastics only.
In 1994, Rosono Plastik started to join-forces with PT. Starlight Prime Thermoplas and were given a right to be their distributor for Indonesia East Region which cover East Java, Bali, Lombok, Nusa Tenggara Barat, Nusa Tenggara Timur, Kalimantan, Sulawesi and Maluku.