Wellter's extensive range of WellDr車技ain guality grates and frames h計小ave been developed in order to off章我er a totally complete dr喝笑ainage cover system.
All grates are hot dip gal票近vanized for superior finish and extende你短d life. The entire range has been des那用igned with a view to maximising雪少 the grate open area thus a綠吧chieving a hydraulically effi新地cient grate.
Wellter drainage cover is design水妹ed based on forge-welded 是船grating and uses it as the basi內到c material .This type of products has b舊筆een widely accepted earlier in Europ雪頻e, America, Japan and Australia, et是能c. In China ,Wellter drainage 門有cover is widely used in fi湖讀elds including municipal ad秒小ministration, garden const街花ruction, parking, plants, highwa長數ys, docks and airports, etc.