PT. SARANA JAYA SERBAGUNA (or PT. NAYABANA) has been established since 1989, is a company operating in the automotive components sector with the main products being tire flaps, motorcycle inner tubes, car and truck inner tubes. The products we produce are of prime quality, because they are supported by experience, research and experiments in auto flaps and tire inner tubes industry.PT. NAYABANA is always excellent and maintained because it is produced by a competent Quality Control team and supported by adequate product testing equipment. Testing is carried out starting from raw materials, goods in process to finished goods. In addition, regular communication with customers is always carried out to measure the level of customer satisfaction and seek sources of input for development steps.Initially our products were only marketed in East Java and Central Java. However, along with increasing demand and sustainable development efforts carried out in all fields, the marketing area has expanded to cover all regions in Indonesia. In fact, it is currently the market leader in the field of tire flaps producers in Indonesia.Obtaining the ISO 9001:2015 Quality Management System Certificate from the URS (United Registrar of System) Certification Body which is part of UKAS (United Kingdom Accreditation System) is a concrete manifestation of our commitment to guarantee customer satisfaction and continuously strive to improve products and services.