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Customized Manhole Cover

product description

1. ISO9001-2008.
2. Has advanced euipment and over 15 years experience.
3. Price: Competetive price, Precision made. Experience & Reasonable QC that you can reply on.
4. Process: Precision made. Experience & Reasonable QC that you can reply on Each part would be given 100% test and tryout before shipment.
5. Adequate supply capacity. Punctual delivery time.

Product Description

Hot Sale Customized Manhole Cover for Road Construction

Sand casting:
Materials: cast iron, ductile iron: QT500-7, QT400, QT450, gray iron casting
Casting tolerance: CT9-CT12 Standards: GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
Piece weight: Al 50 g – 100 kg
Cast iron: 0, 5 – 2000 kg
Heat treating: Annealing, discharge, carbonization, tempering, normalization and surface tempering Surface finishing: Grinding, polishing, painting and various coatings

How to order:
1.Sample or Drawing by customer
2.Tooling proposal&Discussion
3.3D Tooling Design
4.Tooling production
5.Rough parts manufacturer
6.CNC Machining
7.Fitting&Finish
8.Tooling Measurement&Check
9.Assembly
10.Trial Production
11.Correction
12.Final Trial
13.Samples Inspection
14.Sample Approval by customer
15.Tooling Approval
16.Ductile iron sand casting

井盖 3 quality control 包装 客户1 圣奥证书1

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