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Premium FRP/GRP & Cast Iron Solutions

Shandong Lurun Plastic Industry Co., Ltd – The Largest FRP Manhole Cover Factory in North China. ISO 9001 & CE Certified, Compliant with EN124 Standards.

Manhole Cover Product
Factory and Products

About Shandong Lurun Plastic Industry Co., Ltd

Established in 2012 and located in Zibo, the famous ceramic city in northern China, Shandong Lurun Plastic Industry Co., Ltd is a large-scale, modern, innovative ISO enterprise specializing in the production of various FRP/GRP products.

We are the largest FRP manhole cover manufacturer in North China, with over 4,000 sqm of production space and two manufacturing bases in Zibo and Binzhou. Our facilities are equipped with more than 60 pressing machines and hundreds of molds to meet diverse client requirements.

  • ISO 9001:2008 & CE Certified by SGS and BV
  • Compliant with International EN124 Standard (Class A15, B125, C250, D400)
  • 2 Practical Patents in Manhole Cover Technology
  • Integrated R&D, Production, and Marketing of Energy-Saving Materials
Get in Touch

Our Services

We offer tailored solutions to meet your specific needs in infrastructure and construction materials.

OEM/ODM Service

Looking for a reliable OEM/ODM manufacturer? We produce custom-designed manhole covers and grating products according to your specifications and branding.

Sample Orders

Want to test our product quality before bulk purchase? We offer sample orders to help you evaluate our materials and craftsmanship.

Factory Tour

Interested in seeing our production process firsthand? Schedule a factory tour to witness our advanced manufacturing and quality control systems.

Our Products

High-performance, durable, and corrosion-resistant solutions for urban infrastructure and industrial applications.

FRP/GRP Manhole Cover

FRP/GRP Manhole Cover

Lightweight, high-strength composite covers ideal for roads, sidewalks, and industrial zones. Resistant to corrosion, chemicals, and weathering.

  • EN124 Class A15 to D400
  • Non-conductive & non-magnetic
  • Long service life >30 years
Cast Iron Manhole Cover

Cast Iron Manhole Cover

Heavy-duty ductile or gray iron covers for high-traffic roads and municipal drainage systems. Durable and impact-resistant.

  • Available in round and square
  • Anti-theft designs available
  • Painted or natural finish
SMC/BMC Manhole Cover

SMC/BMC Manhole Cover

High-strength thermoset composite covers with excellent dimensional stability and electrical insulation properties.

  • Fire-resistant & UV-stable
  • Low maintenance
  • Custom logos and colors
FRP U-Channel Grating

FRP U-Channel Grating

Drainage channel systems with integrated grating covers. Ideal for sidewalks, parking lots, and industrial facilities.

  • Modular design for easy installation
  • High load-bearing capacity
  • Corrosion-free
Cable Telecom Trench Cover

Cable Telecom Trench Cover

Protective trench covers for underground telecom and power cable installations. Secure and easy to access.

  • Lightweight composite or metal
  • Lockable options
  • Custom lengths and widths
Water Meter Box

FRP/GRP Water Meter Box

Durable enclosures for water meters, protecting against tampering, weather, and vandalism.

  • Lockable lid
  • UV and frost resistant
  • Easy installation
Tree Grating

FRP/GRP Tree Grating

Aesthetic and functional tree pit covers that allow root aeration while maintaining sidewalk integrity.

  • Load-bearing & slip-resistant
  • Custom shapes and sizes
  • Long-lasting composite material
BMC Gratings

BMC Gratings

High-performance molded grating panels for walkways, platforms, and industrial flooring. Excellent chemical resistance.

  • Non-slip surface
  • Lightweight & easy to cut
  • Fire-retardant options

Why Choose Lurun?

Certified Quality

ISO 9001:2008 and CE certified by SGS and BV. Full compliance with EN124 standards.

Large Production Capacity

Two production bases, 60+ machines, and hundreds of molds ensure fast delivery.

Innovation & R&D

Holding 2 practical patents in manhole cover technology and continuous innovation.

Global Reach

Trusted by clients worldwide with over 9,000 projects completed.

Our Capabilities

4,000+
Square Meters of Production Area
60+
Pressing Machines
9,000+
Projects Completed

Frequently Asked Questions

What materials do you use for manhole covers?

We manufacture manhole covers using FRP/GRP (Fiberglass Reinforced Plastic), SMC/BMC composites, and cast iron (ductile or gray iron), depending on application and load requirements.

Are your products compliant with international standards?

Yes, our products meet the EN124 standard with load classes A15, B125, C250, and D400. We are ISO 9001:2008 and CE certified by SGS and BV.

Do you offer OEM/ODM services?

Yes, we provide full OEM/ODM services including custom design, mold development, branding, and packaging according to client specifications.

Can I request a sample before placing an order?

Absolutely. We encourage sample orders so you can evaluate the quality, material, and finish before proceeding with bulk production.

What is the delivery time for bulk orders?

Typical delivery time is 15–30 days after order confirmation, depending on product type and quantity. We offer fast shipping via sea, air, or rail.

Get in Touch

Have questions or ready to start a project? Contact us today for expert support and competitive pricing.

No.117, Zhaizi Industry Zone, Lushan Road, Zhangdian District, Zibo, Shandong, China

info@lurun.cc

+86-533-2111379

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