BlogMore >>
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07-25 2026
Arjo Dedessa Project Fittings Supply: Topsun Custom DI Case Study
How Topsun engineered and delivered custom ductile iron fittings for the Arjo Dedessa Sugar Industry pipeline in Ethiopia. A verified case study for African industrial EPC contractors evaluating custom fittings supply capability.
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07-25 2026
Ductile Iron Loose Flange Fitting: Solving Bolt Misalignment on Site
How a ductile iron loose flange fitting fixes bolt hole misalignment on old pipeline repairs. A 2026 field guide for installation crews in Eastern Europe and Asia using adjustable flange fittings.
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06-28 2026
Fusion Bonded Epoxy DI Fittings: WRAS Compliance Guide 2026
Why fusion bonded epoxy DI fittings are the definitive internal corrosion solution for drinking water networks. A 2026 WRAS and NSF 61 compliance guide for water quality engineers in Europe and North America.
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06-28 2026
Ductile Iron Duck Foot Bend: Riser Support Guide for Fire Systems
Why every fire riser and pump station needs a ductile iron duck foot bend at its base. A 2026 structural loading guide for fire protection and pump station designers in the Middle East.
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05-31 2026
Ductile Iron Pipe Fittings Guide: Classification & Selection 2026
A complete ductile iron pipe fittings guide for pipeline network designers. Covers DI fittings catalog, connection types, flange standards, and node selection for water and drainage systems.
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05-30 2026
Babille Water Supply Project: Topsun Ethiopia Pipeline Case Study
How Topsun delivered ductile iron pipes for the Babille Urban Water Supply Project in Ethiopia. A verified case study for African government infrastructure tender committees.
Shanghai Topsun Industrial Co., LtdMore >>
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10-17 2025
The unveiling ceremony of Shanghai Topsun Industrial Co., Ltd. was successfully held
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10-14 2025
تبحث عن شركاء في مجال الأنابيب على مستوى العالم: استغلال الأسواق الإقليمية ومشاركة النمو المتبادل
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10-14 2025
Topsun Joins the 2nd Phase of the 138th Canton Fair – Visit Us!
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10-14 2025
Notice on the Holiday Arrangement for National Day and Mid-Autumn Festival in 2025
