Sell aluminum manhole cover a type @China (Mainland)

Aluminum manhole cover A type

China Deyuan Marine Fitting Co.,ltd are leading supplier of marine outfitting equipment,such as marine steel doors,marine aluminum door,marine windows,marine hatch cover,marine pilot rope ladder,embarkation rope ladder,gangway ladder ,bulwark ladder etc.

Nominal size	L1	L2	L3	B1	B2	B3	S	Fastenings		Weight (kg)
								Dia	Q’ty
450*350	450	470	570	350	370	470	4	M24	20	7.3
							6			9.7
							8			12.2
							10			14.6
500*400	500	520	620	400	420	520	6		24	11.30
							8			13.80
							10			16.60
							12			19.40