Building machines. Driving progress.

Powering Indonesia’s Industrial Future

SEIN (Samudera Energi Industri Nusantara) delivers high-performance heavy equipment and industrial manufacturing solutions that empower national industries through innovation and precision.

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From concept to construction — we make it real.

Engineering Beyond Limits

Our team of expert engineers and technicians crafts custom-built machinery and project solutions designed to meet the toughest industrial challenges with world-class standards.

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Every bolt, every beam — made to last.

Built for Strength, Designed for Excellence

SEIN combines cutting-edge technology and skilled craftsmanship to deliver durable, efficient, and safe industrial equipment for Indonesia’s growing sectors.

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Let’s Build Something Great Together

Have a question or project in mind? Reach out to SEIN — our team is ready to provide the best industrial solutions for your needs.


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About Us

Driven by Engineering. Defined by Excellence.

Sein is a brand of PT. SAMUDERA ABADI PERKASA (SAP), a leading player in the field of engineering machinery. This underscores our dedication to producing high-quality products. Our extensive product range includes road rollers, mobile lighting towers, hydraulic power units, compactors, concrete machines, and construction machines. Our products feature innovative, robust, and durable designs. As a customer-oriented company, we prioritize customer satisfaction, convenience, and best value. We consistently introduce superior products, provide thoughtful service, and ensure prompt delivery to meet the ever-growing market demand. Our goal is to become a modern company with unique characteristics and sustainable development, constantly setting industry standards.

Why Choose SEIN?

Powering Industries With Precision, Innovation, and Trust

Engineering Expertise

Backed by skilled engineers and years of industrial experience, SEIN ensures every project meets global manufacturing standards with unmatched precision.

Quality You Can Rely On

From material selection to final inspection, every product reflects our dedication to durability, performance, and safety.

Nationwide Project Capability

With operations and clients across Indonesia, SEIN has proven experience managing complex industrial and energy projects from design to implementation.

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Sustainable Vision

We believe in progress that lasts. SEIN integrates innovation and environmental awareness into every step, building a stronger and greener industrial future.

Strategic Partnership

SEIN proudly expands its industrial collaboration through a strategic partnership with one of China’s leading machinery and plantation equipment manufacturers — strengthening our innovation capacity and production network on a global scale.

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Trusted by Industry Leaders

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Discover how SEIN’s innovative solutions can transform your operations.
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What Our Clients Say

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Let’s Build the Future of Industry, Together

Partner with SEIN to power your next industrial project with precision engineering, reliable machinery, and trusted expertise.

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Powering Indonesia’s Industrial Future

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