Ningbo Active Machinery has been committed to providing a full range of grating. These gratings are in line with Chinese standards, and can also be customized to meet other national standards such as the US standard and Australian standard.

Grating structure and name terms

Related standards
Type of load bar
Type of grating
Grating tolerance
Safe load and deflection table: Series 30 grating with plain flat bar
Safe load and deflection table: Series 40 grating with plain flat bar
Safe load and deflection table: Heavy duty grating with plain flat bar
Specification of GT Trench Cover
Specification of GM Manhole Cover