About PT. Tri Sinar Purnama
Four Decades of Quality and Commitment
Milestones · History
From a Modest Foundry in 1983 to a Global Supplier
When first established in 1983, PT. Tri Sinar Purnama was a small foundry producing malleable iron pipe fittings with modest machinery and fewer than 100 employees.
Today, after more than four decades, our annual capacity has grown to 12,000 tons across two production sites, supported by more than 1,500 workers — and our fittings reach landmark projects in over 20 countries worldwide.
Foundry & Casting +
Malleable iron cast in-house with controlled metallurgy, delivering consistent strength and dimensional accuracy across every batch.
Machining & Threading +
Precision threading to BSP and NPT standards, machined and gauged to ensure reliable, leak-free connections.
Hot-Dip Galvanizing +
In-line galvanizing for superior corrosion resistance in water, gas and demanding construction environments.
Quality Control & Testing +
Inspection and testing aligned with SNI, FM, UL and DVGW requirements — quality verified before every shipment.
Packing & Logistics +
Export-ready packing and reliable lead times serving distributors and OEM partners across 20+ countries.
Vision
To become a world-leading manufacturer and provider of pipe joints and casting products — one that inspires and benefits the environment and all the people involved.
Mission
To continuously improve mutually beneficial relationships with customers, employees, business partners and shareholders, grounded in sincerity.
Through optimal product quality, continuous innovation, skilled human resources, transparent partnerships and a strong commitment to occupational safety and health (SMK3).
Why Partner With TSP
Four decades of foundry expertise, international certification and proven reliability — trusted by contractors and distributors worldwide.
Proven Since 1983
More than 40 years of malleable iron foundry experience and continuous improvement.
Internationally Certified
SNI, FM, UL, DVGW, UPC, ISO 9001:2015, TKDN and SMETA — 11 certifications in total.
Export to 20+ Countries
A global footprint spanning Southeast Asia, Europe, the Middle East and beyond.
12,000 Tons Capacity
Two production sites totalling 60,000 m² with reliable output for large projects.
Landmark References
Marina Bay Sands, KLCC, Changi, IKEA Singapore and Conrad Bali, among many more.
Own Brands TSP & G-Brand
Established, trusted brands with full control of quality from casting to delivery.
Our Journey
Four Decades of Milestones
TSP's first project was the reconstruction of areas around Mt. Galunggung after its eruption — inspiring the name "G-Brand" (Galunggung Brand).
First exports to Singapore and Malaysia under the TSP Brand.
Launched OEM products for P-Brand (Germany) and NKT Brand (Japan).
TSP decided to focus on its own brands — TSP and G-Brand — and discontinued OEM.
Established a subsidiary producing steel pipe nipples.
Established a subsidiary producing ductile iron products.
TSP fittings now reach more than 20 countries, with 80% domestic market share.
Partner With a Manufacturer You Can Trust
From standard fittings to OEM supply, our team is ready to support your project, distribution or export needs.
Get in Touch →Small Component,
Huge Projects
TSP is proud to be part of major projects around the world and across Indonesia — our fittings are built into landmarks like Marina Bay Sands and Changi in Singapore, KLCC Petronas Towers and Penang Times Square in Malaysia, plus Conrad Bali, Paragon Mall Semarang, and City of Tomorrow Surabaya.
From Semarang to the world — 20+ countries.
Four decades of malleable iron pipe fittings, engineered in Central Java and trusted on major projects across Asia, the Middle East, Europe, the Americas, and Australia.
Exporting to 20+ countries worldwide.
TSP malleable iron pipe fittings are trusted by engineering firms and contractors across Asia, Europe, the Middle East, and the Americas. The reliable Made-in-Indonesia alternative.
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