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Welcome to AQSSE
A strategic alliance between Abdelhadi Abdullah Al-Qahtani & Sons Group Of Companies and SSEC (Sinopec Shanghai Engineering Co. Ltd.), merging Saudi strength with Chinese engineering excellence. We specialize in EPC services, petrochemical and energy projects, and innovative sustainable solutions aligned with Saudi Vision 2030.

Together, we build the future — engineered to last.

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Vision

To establish a Saudi–Chinese world-class engineering powerhouse that leads in innovation, reliability, and sustainable development. We aspire to become a regional and global benchmark for delivering high-impact infrastructure and industrial solutions that protect the environment and empower future generations.

Flexible incorporation


Superior quality


Building Strong


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Mission
To actively support Saudi Vision 2030 by delivering comprehensive, high-quality engineering solutions tailored to meet the evolving needs of the energy, petrochemical, and industrial sectors. We are committed to excellence, safety, sustainability, and long-term value creation for our clients, partners, and communities.
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Services We Offer

Architect Work


Architecture Design


Electric System


General Consultant


Plumbing Services


Reconstruction


What We Do
We offer full-spectrum engineering & contracting solutions:
• EPC Lump Sum Projects

• Front-End Engineering Design (FEED)

• Project Management & Feasibility Studies

• Procurement, Supply Chain & Logistics

• Manufacturing & Inspection

Industries We Serve
• Oil & Gas: Gas compression & separation plants, long-distance pipelines

• Petrochemicals: Ethylene, PE, PP, EO/EG, and more

• New Energy: Hydrogen energy, carbon fiber, degradable polymers

• Pharmaceutical & Biochemical: API, vaccines, bio-preparation

• Infrastructure: Tank farms, logistics ports, warehouses

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