Plastic steel winding pipe is a kind of non-pressure pipe, which is suitable
Plastic steel wound pipe (HDPE drain pipe) has a strong pressure resistance,
Ripple pipe is a pure plastic pipe, which is a pure flexible green drain pro
Vertical hollow wall steel-plastic composite winding pipe with you to understand
Resin manhole covers are also gradually developing. Compared with other manhole
Manhole cover of national standard (GB/T23858-2019), composite manhole cove
At present, the manhole cover has been very good in our life, mainly be
In fact, everyday life is full of beautiful scenery, as long as the hea
Product features: resin composite manhole cover is made of polymer composite ma
Manhole cover to a large extent reduce the intensity of labor, generally spe
1, HDPE double-wall corrugated pipe laying, due to accidental factors ca
The steel fiber manhole cover is mainly made by adding the excellent compressive
1. Digging foundation problem. The shaft and the pipe trench should be excavated
1. Foundation excavation1. The pit should be excavated at the same time as the p