What materials are used in the manhole cover?

It is made of Sheet Moulding Compound (SMC), consisting of fibreglass and unsaturated resin.

What are the main applications?

It is used for gas, water, main roads, telecommunications, petrochemical, and underground electrical installations.

GRP Square Locking System Resin Manhole Chamber

Name: GRP Square Locking System Resin Manhole Chamber
Brand: Hangzhou Jinmeng Road Establishment Co., Ltd.
SKU: 925593915

Zhejiang, ChinaHangzhou Jinmeng Road Establishment Co., Ltd.

US$214.50

10 Sets

Product profile

Customization

Available

Material

SMC

Shape

Circle

Model NO.

JM-MH220A

Certification

ISO, CE, SGS

Product Name

FRP SMC Manhole Cover

Color

Customized

Load

D400

Clear Opening

743X403mm

Certificate

Ce, Eurofins, ISO En124

Logo

Customized

Size

781X450mm

Features

Anti-Theft Anti-Corrosion

Service Life

More Than 30 Years

Metal Type

SMC Fiberglass Reinforced Plastic Manhole Cover

Usage

Road Safety Facilities

Weight

72.0kg

Application

Road Facilities

Packing

Standard Packaging

Value

No Recycling Value

Transport Package

3 PCS to One Wooden Pallet

Specification

D400 clear openning 743x403mm

Trademark

JINMENG

Origin

China

HS Code

3926909090

Production Capacity

280 Sets/Month

Key features

Anti-Theft Design: Non-metallic, non-conductive, and non-sparking with no recycling value.

High Load Capacity: Supports loads from A15 to F900 using patent W-SMC material.

Customizable Design: Colors, logos, and surface patterns can be customized to user demands.

Long Service Life: UV stable colors with a minimum lifespan of 30 maintenance-free years.

Watertight Seal: Hermetically sealed to prevent gas leakage and noise pollution.

Corrosion Resistance: Never rusts with excellent wear and corrosion resistance properties.

Temperature Resistance: Excellent insulation against heat ranging from -40 to 300 degrees.

Lightweight & Cost-Effective: Lighter than cast iron with lower price and easier installation.

Company profile

Hangzhou Jinmeng Road Establishment Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2009-05-01 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryHangzhou Jinmeng Road Establishment Co., Ltd. is identified as a manufacturer founded in 2001, with 190 employees and a 30,000 m² manufacturing plant in Zhejiang, China. The supplier produces composite infrastructure products, including manhole covers, grating, water meter boxes, and related items. Evidence indicates more than 10 production lines, 20 R&D engineers, 11–20 quality-control staff, and stated lead times of within 15 workdays in off-peak periods and one month during peak periods. The company holds ISO 9001:2015 and ISO 14001:2015 certifications and reports CE, SGS, BV, and Eurofins certificates. It states that technical consultancy, customer-specific integrated solutions, customization, and after-sales service are available. Export activity began in 2009, with exports representing 21%–30% of total sales and markets covering multiple global regions. However, the provided information does not substantiate specific customer cases or allow a complete assessment of financial credibility.

Supplier typeThe supplier is explicitly classified as a manufacturer and factory operating in the manufacturing industry, with composite infrastructure products and a stated 30,000 m² manufacturing plant. This supports its suitability as a production supplier rather than solely a trading intermediary.

CertificationsThe supplier explicitly reports ISO 9001:2015 and ISO 14001:2015 certificates, along with CE, SGS, BV, and Eurofins certificates. These stated certifications indicate documented quality and environmental management credentials, although the slices do not provide certificate numbers, validity dates, or scopes.

After-Sales capabilityThe supplier states that its technical consultancy team provides technical advice, support, and integrated solutions based on individual customer demands, and it claims superior after-sales service. This is explicit evidence of service capability, though no detailed service process, response time, or service network is provided.

R&D capabilityThe supplier reports more than 10 years of composite-product experience, 20 R&D engineers, technical consultancy support, and product features including anti-corrosion, high strength, lightweight design, and flexible customization. These details provide explicit evidence of product development and engineering capability.

Production capacityProduction capacity is supported by 190 employees, a stated 70,000 m² plant in one description, a separately reported 30,000 m² manufacturing area, more than 10 production lines, multiple workshops and warehouses, and stated fulfillment times of within 15 workdays off-peak and one month during peak season. The differing plant-area figures should be clarified, but the overall evidence indicates substantial production capability.

Customization capabilityThe supplier explicitly states that its technical team develops solutions according to individual customer demand and that products can be customized with logos, inscriptions, and colors. This directly supports customization capability for the stated product range.