How can I get the quotation?

Please send us information for quote:drawing,Amaterial,quantity or other request,we canaccept PDF,ISGS,DWG,STEP file format. If youdon't have drawing,please send the sample tous,we can quote based on your sample too.

What if the parts are not good?

We can guarantee good quality,but ifhappened,please contact us immediately,take some pictures,we will check on theproblem,and solve it asap. 18-month warranty.

will my drawings be safe after sendingthem to you?

Yes,we will keep them well and won't release themto the third party without your permission. If there's anything we can help, please feel free to contact with me.

Customized Sewage Rainwater Round Square Waterproof Composite Manhole Cover

Name: Customized Sewage Rainwater Round Square Waterproof Composite Manhole Cover
Brand: Weifang Shengao Machinery Co., Ltd.
SKU: 761385472

Shandong, ChinaWeifang Shengao Machinery Co., Ltd.

US$60.00-100.00

100 Pieces

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

as Specification

Warranty

as Specification

Model NO.

SA-45123132

Material

Iron

Shape

Round

Certification

RoHS, ISO, CE

Item

Manhole Cover

Brand Name

Shengao, OEM

Size

200-1200mm

Mold Type

Shell Mold, Sand Casting

Process

Sand Casting + Machining

Raw Material

Ductile Iron, Cast Iron, Qt500

Casting Tolerance

CT 7 ~ CT 8

Surface Finish

Ra 12.5

Dimensions

as Per Drawing

Surface

Polishing, Anodising, Powder Coating

Type

Manhole Cover

Application

Road

Metal Type

Cast Iron

Solar Cell Type

Poly-Crystalline Silicon

Frame Finishing

Powder Coated

Transport Package

Pallet, Iron Frame, Flywood Box.

Specification

SGS, ISO9001: 2008

Trademark

Shengao

Origin

Weifang City, Shandong Province

HS Code

87089910

Production Capacity

50000PCS/Month

Key features

Customizable Dimensions: Sizes range from 200mm to 1200mm, fully customizable per customer drawings.

Wide Load Class Range: Available in classes A15 to F900 for various traffic and heavy vehicle loads.

OEM & ODM Support: Full customization support including design, samples, and specific material requirements.

High Strength Material: Made from Ductile Iron GGG50/7 with tensile strength of 500-560Mpa.

Anti-Theft Design: Double sealed, watertight structure ensures safety and prevents theft.

Strict Quality Control: Conforms to EN124/1433/1563 standards with comprehensive testing equipment.

Fast Delivery for Stock: Ready stock items can be dispatched within 3-5 days generally.

18-Month Warranty: Comprehensive warranty coverage with free replacement for defective castings.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Weifang Shengao Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.51h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.

After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.

Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a manufacturer with 19 years of production experience, welcome to visit our factory.

Q:What is your MOQ?

Depends on your specific items.

Q:What is your lead time?

Stock: 5-10 days in general. No stock: 15-25 days after samples confirmed. Or please contact us by email for specific lead time base on your order quantities.

Q:What is your terms of payment?

Payment<=1000USD,100%in advance. Payment>=1000USD,30%T/T in advance,balance before shippment.

Q:Can we get some samples before massproduction?

Absolutely yes.