Wholesale Grey Iron Ggg25 Casting Part - BOLT LOCK MANHOLE COVER – Duspart

BOLT LOCK MANHOLE COVER MEASUREMENT 43kg、45kg、65kg、70kg TYPE block pattern PRODUCT DESCRIPTION Bolt lock manhole cover is good at anti-theft, easy and convenient bottom is opened, not easy to store up sand and dirt, bush bottom have a lug with a hole in order to carry on the position for the open key. APPLICATION Use non-toxic water-solubility black paint INSTALL PLACE Widely used in municipal, water conservancy, electricity, highways, etc.