Joint Venture was Approved
ISTW was approved as a joint-venture company between Indonesia and Japan. This was a monumental event where all ISTW great achievements started from.
First Commercial Production Started
ISTW started its commercial production with one pipe producing mill and one hot dip galvanizing line
One more pipe Production Mill was added
ISTW added one more pipe production mill in Semarang. This was added in order to keep up with our customers requests or demands
Coil Slitting Line was introduced
To keep up with ISTW production growth, the coil slitting line was introduced for the first time
Jakarta’s Factory was Added
ISTW spread its wings by building a new factory in Jakarta equipped with the most advanced pipe-producing mill ( Jakarta no. 1 Mill ) and One coil slitting line
One Pipe Producing Mill Added
With the growth of demands, ISTW added one more pipe-producing mill (Jakarta no.2 mill ). This event showed its effectiveness in fulfilling all orders in time.
No.3 and No.4 Mill were added
ISTW added no.3 and no.4 mill. These facilities are also equipped with additional high speed press cutting machine and other various types of tubes re-cutting machines to meet our customers’ needs.
New Jakarta’s factory was built
To meet the increasing need of re-cutting steel tubes, ISTW built a new factory which specializes in steel tube re-cutting operation in Jakarta.
ISTW no. 5 mill was added
ISTW added no. 5 mill which specializes in automobiles and motorcycles in Jakarta
6 inch pipe producing mill was introduced
ISTW Semarang introduced 6 inch pipe-producing mill which supports government and private projects.
2 more mill were added in 2010 and 2011
As the demands of automotive tubes kept on increasing , ISTW added two more mills no.6 and 7 during those years. One mill specializes in small diameter tubing.
Heat Treatment Machine was Introduced
ISTW started producing very critical safety parts by investing no. 1 heat treatment machine.
No. 8 Mill in Cikarang operated
In anticipating the growing demand, ISTW set up a new factory in Cikarang along with mill no. 8
2014-2016 invested in 2 heat treatment machines
ISTW was very successful in supplying very critical safety parts . ISTW also invested 2 heat treatment machines during those years.