PT. Wonosari Jaya was established in 1972 under the facilities of the Domestic Capital Investment Regulation, began its trial production 1973. Since then it has been engaging in the manufacture of wire rope, stranded wire, steel wire for ASCR, spring, wire, spoke wire, armoured wire, flat wire, gabion, etc.

As a pioneering project in Indonesia the customer’s satisfaction is our motto and as a leading manufacturer we provide a complete range of products in the respect of size and construction and also produces only hight quality products.

A committee on quality control has also been organized to exercise rigid inspection of products with scientific method to ensure that hight standard is always maintained. A strict inspection are conducted from raw materials used and during each step of the manufacturing process. Besides, our equipment constanly renewed and improved, makes it possible for us to satisfy the needs of the most demanding customers.

Today the products of Industri Kawat Baja PT. Wonosari Jaya are recognize in the market, especially by the timber, shipping, fishing, mining, oil company and general engineering purposes.