1.Product superiority ① High-quality materials: using high-strength composite materials, FRP mater…
① Treasure cover status: Shandong Baogai New Material Technology Co., Ltd. is the leading enterpris…
The morning of September 9, 2024, marked a memorable moment in the development journey of Shandong …
Composite manhole covers are mainly made of unsaturated polyurethane resin and formed using compres…
In terms of bearing grade and bearing capacity, ductile iron manhole covers have stronger bearing c…
The cable trench cover plate is made of inorganic composite materials, cement-based materials, and …