PT YIN also done  steel fabrication work in the form of packaging tank for example.

PT YIN have also done development of its effort to broader scope that is in the simple EPC scope, EPC Scope Development beside of client demand also to get middle-weight downwards EPC market opportunity, simple EPC project which have been done shall be as follows :

In the growth of factory conservancy business trend, PT YIN have also succeeded to do maintenance work package with duration of short and long term execution like Turn-Around factory project of Pertamina Plaju , DKM Melamine Bontang, ammonia factory of KPA Bontang and Refurbishment Hydrogen Reformer project Pertamina Balongan.

Building infrastructure scope has also done by PT YIN, that is ammonia factory industrial warehouse building Kaltim Parma Factory in Bontang and also Bapedal building repair in Jakarta.

Mechanical work is also done for big scale project like  PIM-2, Blue Sky, Kujang 1B and Kaltim 4.

Yin have succeeded in doing construction projects with national scale for example :