7.10°S · 112.67°E
Gresik, East Java
PT Freeport Indonesia — Manyar Smelter
Chiyoda EPC · JIIPE, Indonesia
2023–2024
Full-package ESTN scaffolding supply
ESTN Group supplies Ring Lock scaffolding, tube & clamp, formwork and pipe systems to the contractors building the world's largest energy and marine projects — manufactured across our China factory network under ESTN quality control, and engineered from our Singapore headquarters.
Selected supply on major LNG, petrochemical and offshore developments — delivered to the standards and tonnages that large tenders demand.
We hold the ESTN brand and the quality standard behind it. Material is manufactured across our network of group and partner factories in China — and passes ESTN's own inspection before it ships. Here is what that buys you.
On multi-year projects, cheaper scaffolding corrodes, bends and gets replaced. ESTN material holds its strength and its value — a lower total cost over the life of the project.
Every batch carries mill certificates, then an independent lab verifies it against BS / EN / JIS / ASTM / ANSI / GB — and our own inspectors check it again.
Our engineers design system scaffolding and formwork to each project — optimising for safety, material, labour and schedule, then supplying the full package.
Our own warehouse capacity and containerised logistics put material on site to schedule — across four continents, at project volume.
ESTN Ring Lock and tube & clamp, erected around a fabricated offshore structure — supplied to spec and delivered on schedule.
Scaffolding and formwork on one side, pipe systems and valves on the other — each held to a named standard, inspected before it ships, and contracted through Singapore.
The systems behind our largest project supply — engineered to each project.
Hubless and ductile iron, carbon and stainless steel, waterworks and industrial valves, and EN 124 covers — one vendor across drainage, water supply and structural piping.
Supplied against BS, EN, JIS, ASTM, ANSI and GB standards. No online catalogue and no auto-pricing — every quote is scoped to your project specification and volume.
ESTN operates from its Singapore headquarters, with a China operations base in Shanghai and a regional agent in Indonesia — supplying projects across the USA, Europe, the Middle East and Asia-Pacific.
Independent and in-house testing since 1998; an ISO 9001-based quality management system since 2000; verified by the industry's most recognised certifiers.
Every batch carries mill certificates, then an independent lab verifies it meets or exceeds BS / EN / JIS / ASTM / ANSI / GB specifications.
Welding processes authored by an independent professional engineer, with ISO 9001 production and daily quality-control records.
Our own test labs and on-site erection training keep quality in our hands — through a dedicated in-house engineering and inspection team.
Ring Lock system approved by PSB Singapore; tubes, clamps, ladder beams, jack bases and props approved under SGS, TÜV and Lloyd's test certificates.
Client references provided on request during tender evaluation.
Send us the standard, tonnage and destination — we'll respond directly from our Singapore HQ. Or take our full company profile to review with your team.