PT Indoprima Gemilang is one of Indonesia’s largest independent automotive parts manufacturers. Founded in 1976 and headquartered in Surabaya, East Java, the company manufactures wire harnesses, battery cables, switch assemblies, and friction materials for vehicle assemblers domestically and worldwide.
The company maintains major production facilities including Plant 1 in Nganjuk and Plant 2 in Margomulyo, Surabaya. Indoprima Gemilang developed its wire harness and battery cable manufacturing capabilities under long-term technical assistance from Mitsubishi Cable Industries Ltd. of Japan.
Its wiring harnesses are engineered for passenger vehicles, heavy-duty commercial trucks, two-wheelers, and railway systems, backed by certified ISO 9001:2015 quality management systems and comprehensive automated in-house testing equipment.