Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover – YONGTIA

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continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Drain Cover Riser, 300mm Drain Cover, Cast Iron Exhaust Manifold, We will empower people by communicating and listening, Setting an example to others and learning from experience.
Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover – YONGTIA Detail:

1) Material:
a) Ductile Iron GGG500-7 & 400-12.
b) Grey Iron GG20.

2) Designs:
a) EN124 A15, B125, C250, D400, E600 and F900.
b) A60005 for casting design.
c) Major standards designs available.
d) As per customers’ drawings or samples.

3) Process:
c) Molding boards.
d) Green sand with hand molding.

4) Coating:
a) Cold applied black bitumen.
b) Without coating.
c) Coating as per customers’ requirement.
5) Different accessories are available.

Square manhole cover
Solid outer and inner round manhole cover - double screw lock
Outer and inner round manhole cover

Ductile Iron Manhole Coverand Grating EN124:1994 Material: GGG500-7
Class Application Dimension (Frame mm)
A15 Pedestrians, Pedal Cyclists Dia760
B125 Footways, Pedestrians, Car parks 290*290, dia800 …
C250 Kerbside channel of roads 700*700, 600*800 …
D400 Road, hard shoulders etc. 850*850, 920*920 …
E600 Docks, aircraft pavements etc. as per your demands
F900 Aircraft pavements etc. as per your demands

Packing: Steel or wood pallet, or as per customers’ requirements’.


Product detail pictures:

Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover –  YONGTIA detail pictures

Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover –  YONGTIA detail pictures

Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover –  YONGTIA detail pictures

Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover –  YONGTIA detail pictures


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We generally continually give you quite possibly the most conscientious shopper company, and the widest variety of designs and styles with finest materials. These endeavours include the availability of customized designs with speed and dispatch for Quality Inspection for Manhole Drain Cover - Ductile Iron Manhole Cover – YONGTIA, The product will supply to all over the world, such as: Mexico, Algeria, Qatar, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we've been committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have now passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
  • We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Olivia from Algeria - 2018.06.18 19:26
    The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Martin Tesch from Armenia - 2017.07.07 13:00