What are the payment terms?

We accept LC, T/T, and D/P as terms of payment.

What is the average lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

Can the size be customized?

Yes, we offer custom frame sizes (e.g., 500x500mm) and cover sizes (e.g., 400x400mm) based on requirements.

Square 500X500 SMC Composite Resin Double Layer Insulation Manhole Cover

Name: Square 500X500 SMC Composite Resin Double Layer Insulation Manhole Cover
Brand: Shandong Lurun Plastic Industry Co., Ltd.
SKU: 1959725952

Shandong, ChinaShandong Lurun Plastic Industry Co., Ltd.

US$8.59

1-99 Pieces

US$8.29

100-999 Pieces

US$7.98

1,000+ Pieces

Sample price:US$66.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

3years

Model NO.

lurun1-3

Material

Composite Resin

Shape

Round

Certification

ISO, CE

Application

Parking/Road

Materials

Resin/FRP/GRP/BMC/SMC

Features

Anti Corrosive, Easy Assemblied, Heavy Duty

Frame Size

500X500mm

Cover Size

400X400mm

Clear-Opening

350X350mm

Color

Red/ Green /Black/ Gray /Yellow

Certificate

CE/SGS/ISO9001

Weight

15.5kg

Loading

A15

Transport Package

Pallet or Carton

Specification

1105

Trademark

YUEFENG

Origin

China

HS Code

3926909090

Production Capacity

100000/Month

Key features

High Load Capacity: Class A15 rating suitable for green belts and sidewalks without motor vehicles.

Durable Composite Material: Made from pure resin, poly fiber, and internal steel frame for anti-corrosive and heavy-duty performance.

Professional Manufacturer: 10 years experience, 50,000 sqm plant, and 90 technical workers ensuring competitive quality.

Wide Application Scope: Used in real estate, road safety, power plants, and various traffic load classes from A15 to F900.

Certified Quality: Products certified with ISO, CE, and SGS standards for reliability and safety.

Customizable Options: Available in multiple colors (Red, Green, Black, Gray, Yellow) and custom frame/cover sizes.

Comprehensive Warranty: Provides a 3-year warranty with online after-sales service support.

Advanced Production: Equipped with 12 hydraulic machines (200-1600 tons) and 500+ molds for diverse product needs.

Company profile

Shandong Lurun Plastic Industry Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2016-09-01Nearest Port: QINGDAOAverage Response Time: ≤7.39hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory in Zibo, China, with 10 production lines and stated annual output of one million composite manhole covers. It offers broad customization, ODM, OEM for known brands, and SDK-supported R&D services. Quality assurance, complaint-handling, corrective-action, and supplier-assessment procedures are documented with records. The supplier reports inventory capability, participation in the Canton Fair, broad export-market coverage, and lead times within 15 working days in both peak and off-peak seasons. However, it lacks a valid manufacturing-capacity contract with affiliated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and ERP, OA, CRM, or SAP system integration. Certification information and specific customer case details are not provided.

Supplier typeThe supplier is described as a combined company and specifically as a factory located in Zhangdian District, Zibo City, with manufacturing listed as the associated-company industry. This supports classification as a manufacturing supplier rather than an offshore company.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective and preventive actions, indicating an established service-response mechanism. However, it has no overseas warehouse, showroom, agent, or branch, and reports services in zero countries, limiting evidence of localized overseas after-sales support.

R&D capabilityThe supplier reports new products within the past year, ODM services, and an available SDK, supporting active R&D and product-development capability. Conversely, it has not established or used ERP-based digital management and reports zero use of OA, CRM, and SAP systems, indicating limited digital-system maturity.

Production capacityThe supplier operates 10 production lines, reports production of one million composite manhole covers, has inventory capability, and states lead times within 15 working days in both peak and off-peak seasons. A material operational weakness is the absence of a valid contract between the factory and affiliated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, demonstrating broad stated customization coverage.