At Wuan Keli, EN 877 SML cast iron drainage pipes are finished on this automatic line.After coating, each pipe is marked and conveyed for inspection. Inside is the ochre epoxy lining; outside, a red-brown anti-corrosion coat.This pipe is DN 100 × 3 m, marked to EN 877 and GOST 6942-98 for the Russia
See KELI’s factory hot zinc spray process for cast iron drainage pipes. Zinc coating weight stably reaches 130 g/m² with uniform adhesion, meeting EN 877 anticorrosion requirements.
This batch of EN877 drainage cast iron pipes for export has completed full finished-product inspection. Our QC team carries out batch testing on epoxy coating thickness, coating uniformity and dimensional accuracy. Products are approved for warehousing only after meeting all requirements of the EN877
Early in 2026, two trade remedy cases against Chinese cast iron drainage products landed within months of each other, redrawing the export map for the industry almost simultaneously. For companies manufacturing cast iron soil pipes and fittings, these are not distant headlines—they demand a clear re
wu'an keli figured steel co.,ltd. has completed a full digital management upgrade by launching the MES production execution system and AI intelligent management module, realizing full-process digital, visual and intelligent manufacturing for cast iron pipes and custom castings.The new system connec