
About PT Yuan Sejati
Engineering excellence in energy measurement since 1982 — trusted across Indonesia and beyond.
Who We Are

PT Yuan Sejati, established in January 1982 and headquartered at Komplek Fatmawati Mas Blok II – 221 in Jakarta Selatan, is Indonesia’s premier, ISO-certified one-stop provider of custody metering systems, HIPPS packages, gas-conditioning skids and full-spectrum EPC solutions for the oil & gas, power and petrochemical industries—leveraging 42 years of engineering excellence, state-of-the-art design software, and a robust portfolio of over 400 installed skids and 80+ delivered EPC projects to serve national giants such as Pertamina, PGN, Chevron, ConocoPhillips, Santos and PetroChina while continuously advancing safety, quality and environmental standards across Indonesia and beyond.
Our Story

1982
Founded as a local instrumentation workshop

1984
Shifted focus to the Oil & Gas sector

2004
Awarded MIGAS Custody Metering Packager license

2014
Launched EPC services nationwide

Today
Trusted partner of Pertamina, PGN, Chevron & more
Vision & Mission
To become the one-stop solution provider for metering systems and related packages across Indonesia and beyond.
- • Honestly
- • Competency
- • Continuous Improvement
Provide excellent products and services safely at a competitive budget, empowering clients to measure, manage and monetize energy with confidence.
Legal Certifications

ISO 9001:2015 – Quality Management
Proves our ability to consistently deliver metering systems that meet customer and regulatory requirements.

ISO 14001:2015 – Environmental
Confirms commitment to sustainable practices and environmental responsibility across all operations.

ISO 45001:2018 – Health & Safety
Demonstrates robust health-and-safety management protecting employees, clients and stakeholders.

ISO 37001:2016 – Anti-Bribery
Ensures effective controls to prevent, detect and address bribery risks in our business.

SPDA – Pertamina EP CEPU
Official registration enabling us to supply goods and services to Pertamina EP CEPU.

SKT – Transgasindo
Registered vendor for gas-transportation projects across Indonesia until 2026.

SKTPM – Pertamina Hulu Mahakam
Registered supplier of goods and services to Pertamina Hulu Mahakam, valid until January 2022.

STP‐LN/SIPT – Kementerian Perdagangan
Sertifikat pendaftaran sebagai Agen Tunggal Barang Produksi Luar Negeri, berlaku sampai 14 Maret 2028.

PB‐UMKU – Distributor/Agent License Appendix
Lampiran Surat Tanda Pendaftaran Distributor/Agen Barang dan Jasa, berlaku sampai 19 November 2026.

Distributor Authorization – Galvanic Applied Sciences
Authorized distributor for Galvanic Applied Sciences gas & liquid analyzer products in Indonesia.

e-CHSEMS – SKK MIGAS
E-CHSEMS certification for oil & gas platform and topside fabrication services, valid until October 2025.

SKUP – Surat Kemampuan Usaha Penunjang Migas
Surat Kemampuan Usaha Penunjang Migas No. 0913/19.07/DMB/2018 issued by the Directorate General of Oil and Gas, Ministry of Energy and Mineral Resources, to PT Yuan Sejati, certifying capability in both construction (Konstruksi) and non-construction (Pengoperasian & Pemeliharaan) support services for the oil & gas sector.

Lampiran SKUP – Kapabilitas Usaha Penunjang Migas
Lampiran SKUP Migas No. 0913/19.07/DMB/2018 dated 02 April 2018 for PT Yuan Sejati, detailing company legal status (domestic entity, shareholding, key personnel), ISO management system certifications (ISO 9001, ISO 14001, ISO 18001), scope of services in mechanical & electrical construction and non-construction operations, and workforce qualifications.
What We Deliver
Industry Sector
- Oil & Gas: Custody Metering System, System Package, Small EPC.
We provide advanced metering solutions, from design to service, including system packages for the oil & gas industry.
- Power: Custody Metering System, System Package, Small EPC.
Offering reliable custody metering and essential power system packages to ensure efficiency and accuracy in operations.
- Petrochemical: Custody Metering System, System Package, Small EPC.
Tailored solutions for the petrochemical sector, including custody metering systems and various system packages.
Product Coverage
- Metering System: Gas Metering, Liquid Metering, Prover.
We offer precision metering systems for gas and liquid, along with prover systems to ensure the highest accuracy.
- Component: Flow Meter, Analyzer, Valve, HDPE Fitting.
Essential components for various industrial applications, including flow meters, analyzers, valves, and fittings.
- System Package: Gas Conditioning, Metering Stations, Small EPC.
Complete system packages for gas conditioning and metering, along with small EPC services for efficient implementation.
- System Control: SCADA, Shutdown System, HIPPS, CEMS.
Advanced control systems for operations management, safety, and environmental monitoring, including SCADA and CEMS.

