PT Surya Tirta Mulia ( STM ) is manufacturing company of rubber product and rubber raw material with ST Rubber as its brand. Established in the middle of 2004 by Raymond & Brothers who were inspired by the global needs of rubber product, this company is born. Nowadays, PT. STM has been recognized by many entities as reliable company by supplying high quality rubber goods in Indonesia and most part of the world.

With our dedication in supplying good quality product, we always search for new and new sources in order to improve the quality and to reduce our base price. We attempt our best to serve our valued customer best service available, competitive price, and high quality product.

With our giant network for foreign and domestic market, we have supplied SIR 10, SIR 20, RSS 1, RSS ungrade, Brown X and reclaim rubber.

For Rubber mats, we produce for domestic and foreign market by job order. The products include agriculture mats, home mats, industrial use mats, and general purpose mats. For Synthetic Rubber and Rubber Chemical, we also have supply many others company inside and outside the company.

In order to achieve and maintain our professionalism, PT Surya Tirta Mulia employs more than 30 staffs and 500 machine operators that work in synergy resulting excellence service. We aim to get the ISO certification in the coming year and other international bodies signature. We also sent some of them inside and outside of the country to practice and knowledge the ongoing of global emerging market needs of good especially rubber goods.

PT Suya Tirta Mulia located in the heart of East Java - Indonesia. With big land area more than 5 Ha, big crumb rubber machinery and big rubber machinery, we can produce big quantity of rubber goods and other requested order. It  is about 40 minutes by car from Surabaya in which Tanjung Perak international seaport and Juanda international airport located.