Powered by Made-in-China.com
Sealed Pickproof Well Cover with Good Quality
US$10.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
OnlineSteel Structure
FenceModel NO.
as per customer's requirementTransport Package
regular export packingSpecification
YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657Trademark
LongtaOrigin
ChinaHS Code
7308900000Production Capacity
Over 50,000 Tons Each YearKey features
Sealed Pickproof Design: Frame made of angle steel tightly joined with steel grating via hinge for superior seal ability.
High Production Capacity: Annual production capacity exceeds 50,000 tons with advanced auto-pressed welding machines.
OEM/ODM Support: Offers full customization from samples, designs, and flexible minor customization options.
ISO 9001 Certified: Manufactured under ISO9001:2008 quality management system with complete inspection facilities.
Global Export Experience: Exports over 30,000 tons annually to North America, Europe, Middle East, and Southeast Asia.
Flexible MOQ: Minimum Order Quantity is just 1 pc, suitable for small or large scale projects.
Professional Engineering: Backed by 10 technical engineers and 27 years of experience in steel grating manufacturing.
Competitive Pricing: Offers most competitive prices through scale expansion and efficient production management.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 years CertifiedNearest Port: Ningbo port; Shanghai portAverage Response Time: ≤0.03h
AI-Powered supplier vetting
SummaryThe supplier is a combined manufacturing and processing company focused on steel structural components, steel grating, power-station auxiliary equipment, environmental-protection equipment, conveying equipment, and mechanical accessories. It demonstrates broad customization and ODM/OEM capabilities, reports new products within the past year, and maintains ISO9001, ISO14001, ISO45001:2018, CE, and other certifications. Quality and supplier-management procedures are documented and followed, including finished-product inspection, corrective actions, complaint handling, and supplier assessment. Manufacturing is supported by contracts with associated subcontractors, but the supplier reports no inventory capacity, overseas warehouses, overseas showrooms, agents, branches, or offline trade-show participation. Financial information is only represented by reporting years, without sufficient performance detail. It has OEM experience with popular brands but no Fortune 500 cooperation and no available SDK.
Supplier typeThe supplier is identified as a combined company whose scope covers manufacturing and processing of steel structural components, steel grating, power-station auxiliary equipment, environmental-protection equipment, conveying equipment, and mechanical accessories. This supports classification as a manufacturing and processing supplier.
CertificationsThe supplier reports ISO14001, ISO45001:2018, and ISO9001:2015 management-system certificates, along with CE and other product certifications. These explicitly demonstrate multiple management and product compliance certifications.
After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, indicating an established service-management process. However, it reports no overseas warehouse, showroom, agent, branch, or overseas service coverage, limiting geographically distributed support.
R&D capabilityThe supplier reports new products within the past year and provides ODM services, indicating active product-development capability. It also reports no available SDK, but the available information does not establish that an SDK is required for this supplier’s product scope.
Production capacityThe supplier lists pressure-welding, cutting, and welding machinery, has valid contracts with each associated subcontractor, and follows written procedures for supplier assessment and finished-product inspection. Reported lead times are within 15 workdays to one month in both peak and off-season, while no inventory capacity is available.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, providing strong direct evidence of broad customization support.
Client casesThe supplier reports OEM service for well-known brands, demonstrating some recognized-brand customer experience. It reports no cooperation with Fortune 500 companies, and no specific customer names or case details are provided.
Product Q&A
Q:What standards does NJMM's steel grating meet?
A:
NJMM fabricates steel grating according to various international standards, including China YB/T4001.1-2007, USA ANSI/NAAMM (MBG531), and UK BS4592.
Q:What specifications are available for fabrication?
A:
Any specification of steel grating is available, provided in both inch and metric descriptions.
Q:What are the common stocked panel sizes?
A:
Common standard panel sizes include 3'X24', 3'X20', 1000X6000mm, and 1000X6100mm.
Q:What finishes are offered on bar grating?
A:
Bar grating is available in untreated, painted, and hot dip galvanized finishes.
Q:Does NJMM provide OEM services?
A:
Yes, NJMM offers OEM services and supports customization from samples, designs, and flexible minor adjustments.
Send Inquiry
*To:
Ningbo Jiulong Machinery Manufacturing Co., Ltd.
Ningbo Jiulong Machinery Manufacturing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Sealed Pickproof Drain Cover with Good Quality
US$50.00
100 Pieces(MOQ)
Steel Grating Trench Cover with Angle Frame Steel Drainage Cover Steel Manhole Cover Floor Drain Cover
US$500.00-600.00
10 Tons(MOQ)
Composite Manhole Cover with Clear Open 600x600 (C250, D400)
Negotiable
10 Sets(MOQ)
Sealed Pickproof Drain Cover with Ce Approval
US$50.00
100 Pieces(MOQ)
Trench Cover with En124 Standard
Negotiable
10 Sets(MOQ)
Ductile D400 Sewer Drainagecast Iron Cover Manhole Cover Well Lid
US$620.00-670.00
1 Ton(MOQ)
Hot DIP Galvanized Sealed Pickproof Drench Cover with Checkered Plate Top
US$8.00
10 Pieces(MOQ)
SMC Composite Gully Cover with High Quality D400
Negotiable
10 Sets(MOQ)
Sealed Pickproof Drain Cover, Trench Grating Cover for Walkway
US$50.00
100 Pieces(MOQ)
495X640mm High-Duty Trench Cover with Frame (EN124 B125)
US$37.60
1 Set(MOQ)
En124 D400 Round Ductile Iron Drainage Cover/Manhole Cover/Well Lid
US$640.00-690.00
1 Ton(MOQ)
Durable D400 Cast Iron Drainround Ductile Iron Well Lid Manhole Cover
US$630.00-680.00
1 Ton(MOQ)
Premium Quick-Install Stainless Steel Lab Cover for Glass Walls
US$46.00-50.00
1 Square Meter(MOQ)
Hot DIP Galvanized Drain Covers in Concrete Drainage Cover Grating Steel Ditch Cover Grating
US$15.00
1,000 Square Meters(MOQ)
Drainage Grid Covers for Car Washing Station Steel Drainage Cover Steel Manhole Cover
US$5.00-10.00
10 Square Meters(MOQ)
Cast Iron Clear Opening Reinforced Ductiletrench Sewer Drainage Cover
US$620.00-670.00
1 Ton(MOQ)
16′ Wide Easy Assembly Portable Boat Shelter / RV Tent / Yacht Cover (JIT-1639S)
US$999.00-1,999.00
1 Set(MOQ)
Steel Frame Swimming Pool Cover Anti-Corrosion Indoor Pool Structure
US$35.00-52.00
200 Square Meters(MOQ)



















