Cangzhou XinBoLi Metal Products Co., Ltd

Correct installation of cast iron rainwater grates

2023-09-15

Cast iron grates,also known as manhole covers,are used to cover roads or deep wells in homes to prev...

What are the anti-theft properties of cast iron manhole covers reflected in

2023-09-15

The classification standard for cast iron manhole covers is because the steel is initially recyclabl...

How to do a good job in daily maintenance of gate valves

2023-09-15

The gate valve should be stored in a dry and ventilated room,and both ends of the passage must be bl...

What are the types of cast iron for cast iron manhole covers

2023-09-15

A cast iron manhole cover is a closed structure at the top of the entrance and exit to underground f...

Reasons for vibration of cast iron manhole covers

2023-09-15

What is the cause of the vibration that occurs when passing through the ductile iron manhole cover?W...

Inspection standard for ductile iron manhole covers

2023-09-15

The quality of cast iron manhole covers is not up to standard,and due to various reasons,some inferi...