Welcome to SDJY
Established in August 2016, Shandong Jiuyuan Jian'an Co., Ltd. is a multidisciplinary engineering and construction company delivering high-quality solutions across energy, industrial, and residential sectors.
We specialize in electromechanical engineering, substation development, and large-scale power projects including CCGT and photovoltaic (PV) plants. Our expertise also extends to RO plant construction, E&I installation work for petrochemical and coal power plants, and comprehensive construction services.
With a commitment to excellence, safety, and innovation, we provide end-to-end services—from installation to maintenance and project support—ensuring reliable and efficient project delivery.
| Project Region | Total Accomplished Projects |
|---|---|
China | 4 |
Iraq | 2 |
Bahrain | 1 |
Saudi Arabia | 6 |
| Total | 13 |
Solar PV Projects
Comprehensive design, engineering, installation, and commissioning of utility-scale solar farms and commercial rooftop PV systems. We handle everything from site survey to grid connection, ensuring maximum energy yield.
CCGT Power Plants
Full electrical and mechanical works for Combined Cycle Gas Turbine power plants, including installation of generators, heat recovery systems, and auxiliary equipment with high efficiency.
Substation Works
Complete MV/LV substation installation, testing, and commissioning. We deliver turnkey solutions for primary and secondary substations, ensuring reliability and safety compliance.
Transformers & Accessories
Professional installation of power transformers, bushings, on-load tap changers, cooling systems, and all associated auxiliaries for both oil-filled and dry-type transformers.
Cable Tray & Cable Pulling
End-to-end cable management: design, supply, installation of cable trays, ladders, and precision cable pulling for LV/MV/HV circuits with proper segregation and labeling.
LV & MP Panel Installation
Assembly, wiring, and commissioning of low voltage and medium voltage switchgear and control panels, including MCC, VFD, and PLC panels with full compliance to IEC standards.

1800 MW CCGT Project TAIBA 1 Madina Saudi Arabia
Electric Heating Installation of Combined Cycle Power Plant which includes cable tray installation, cable laying, HV/LV cable termination for Transformer, HV/LV MCC Panels, VFD's and IPB, Transformer and its accessories installations.

1200 MW Solar project SAAD-2 Riyadh Saudi Arabia
Electrical & instrumentation works for Substation and BSP.

Expansion Project of Degassing Station in Iraq
Electrical Instrument Construction for Public Works Area and Torch Area which includes cable tray installation, cable laying, cable termination and Installation E&I Equipment.

Halfaya Oil field Project, Iraq
Construction of Electrical and Instrumentation for Gas Processing Plant 1 in Halfaya Oil field and cable tray installation, cable laying, cable termination and Installation of instrumentation equipment.

Public Assets and Infrastructure Power Project - KSA
Electrical Equipment Installation and Cable tray installation, Cable laying, Cable termination for Transformer, HV/LV Panel cabinet, Battery Banks and PV's.

3300 MW Yanbu III Power Plant & Desalination Plant, KSA
HV/LV MCC Panels, VFD, UPS, Cable tray installation and cable laying, cable termination and transformer installation. Huangling Diantou Power Plant 2X 660MW Project.

SDJY delivered exceptional work on our CCGT project in TAIBA-1. Their team was professional, timely, and safety-focused. Highly recommended.

The solar substation work at SAAD-2 was flawless. SDJY's expertise in E&I installation saved us time and costs.

Reliable partner for large-scale infrastructure at Yanbu. Their cable pulling, laying & termination and transformer installation work was top-tier.

SDJY's E&I works integrated international safety standards and rigorous quality control into every phase of their work.

Quality Management System

Environmental Management

Occupational Health & Safety

Recognized for outstanding project execution

Zero accidents milestone achievement

For continuous improvement and customer satisfaction
Building No: 2235, Riyadh, Saudi Arabia
Phone / WhatsApp: +966 53 675 8506
WeChat: SDJY_Official
Email: contact@sdjysaudi.com
📞 For inquiries about power construction, substations, solar projects, or general engineering, contact us via Email, WhatsApp or WeChat. We have successfully completed 06 projects in Saudi Arabia and 13 projects globally and look forward to new partnerships.