Offshore Grating Platform Reinforced Floor Grating Safety Grating for Floor or Platforms
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Product Highlights
- Ballproof Safety Design: Round bars welded in bearing bar direction prevent falling through of 15mm or 20mm balls.
- High Bearing Capacity: Bearing bars remain unweakened by cross bar welding, ensuring superior load resistance.
- Global Certification: Certified by BSCI, CCC, CE, and ISO for international market compliance.
- Flexible Customization: Full customization available from samples or designs with flexible options.
- Fast Lead Time: Peak and off-peak season lead time within 15 working days or one month.
- Mass Production Capacity: 7 running lines with yearly capacity of 50,000 tons.
- OEM & ODM Services: Full OEM and ODM services available for custom grating solutions.
- Diverse Material Options: Available in mild steel or stainless steel with various surface treatments.
Product Attributes
- Customization
- Available
- Certification
- BSCI, CCC, CE, ISO
- Application
- Steel Structure Walkway, Drain Cover, Oil and Gas
- Model NO.
- JG305/30/100FG
- Shape
- Flat Shape
- Manufacturing Method
- Machine Welding
- Material
- Carbon Steel
- Grating Type
- Jg325/30/100
- Bearing Bar Type
- Plain ,Serrated
- Surface Treatment
- Hot-DIP Galvanized
- Market
- Global
- Transport Package
- Bundled by Steel Belt with Pallet
- Specification
- YB/T4001 or NAAMM or BS4592 or JJS
- Trademark
- Longta
- Origin
- China
- HS Code
- 7308900000
- Production Capacity
- Over 50, 000 Tons Each Year
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Product Description
OFFSHORE-GRATINGS
offshore gratings have been specially developed for use on offshore platforms.
In addition, round bars welded in the bearing bar direction reduces the given bearing bar
pitch so as the falling through of a test ball having a diameter of 15 mm is prevented.


1.Absorption of high horizontal forces by pressing and welding of all intersection points
2.Due to the additional round bars welded in the bearing bar a 20 mm or 15 mm ballproof can be reached
3.High resistance
4.High bearing capacity, because bearing bars are not weakened by welding of cross bars
5.Good torsional rigidity even with subsequently introduced cut-outs - maintenance of the homogeneous unit
Hello, I'm Andrew Young, an engineer sales manager with over 20 years experience in the great grating field!
I'd only be very happy to answer any questions for you!

Ningbo Jiulong Machinery Manufacturing Co., Ltd
is one of the leading manufacturers specializing in producing press-welded steel grating in China. Located in the famous coastal city ---Ningbo.
It has convenient traffic and superior location with only 30-minute drive to Ningbo Lishe International Airport and only 25-minute drive to Ningbo Port---the famous international sea port with the advantage of non-silting, deep-water and ice-free all year round.
Founded in 1992, covering an area of 25000 square meters and with workshop area of 18000 square meters, NJMM has advanced equipments, full-fledged technology as well as rich manufacture and management experience in press-welded steel grating area over 10 years. NJMM is among the few leading manufacturers who have the entire production process from bearing bar to galvanized steel grating.
Features:
1) Bearing bar specification: 20 x 3 to 100 x 6
2) Bearing bar pitch: 12.5, 15, 30, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended
3) Cross bar pitch: 38, 50, 76, 100mm, also be according to client's requirement and 50, 100mm are recommended
4) Material: Mild steel or stainless steel
5) Surface treatment: Untreated, painted or hot-DIP galvanized
6) Steel Grating Standards:
A) China: YB/T4001-1998
B) USA: ANSI / NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
Ningbo Jiulong Machinery Manufacturing Co., Ltd is one of the largest steel grating manufacturer in China.
We have 7 running lines with yearly capacity of 50, 000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision!






About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR243061". Items marked "" are certified.
Company Profile
Company Name: Ningbo Jiulong Machinery Manufactring Co., Ltd
Establish Year: 1992
History in this field: 27 years
Main Products:
A. Steel Grating, including plain and serrated steel graing, size and specification can be produced according to customer's requirements.
B. Stair Tread: There are 8 types of treads distinguished by different nosing & Way of installation.
C. Drainage Pit/Trench Cover
D. Railing & Stanchion
Total Staff: About 300, including 50 managers, 10 technical engineers.
Total Area: 25, 000 square meters and with workshop area of 18, 000 square meters.
Main Equipment: 7 press-welding machines
Management System: ISO9001: 2008
Advantage: High quality, Professional engineer, and Large production Capability
Brand: Long ta
Honor: The largest steel grating manufacturer in China with government quality prize of Zhenhai district in the year 2007
NJMM is now supply to more than 30 countries and enjoying high reputation among all of our customers.
We will try our best to satisfy our customers with top quality, good service and most competitive price.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Jiulong Lake Industrail Zone, Zhenhai, Ningbo, Zhejiang, China
-
Plant Area
- 16101 square meters
-
Number of Employees
- 131
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- CIF, FOB, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Ningbo port; Shanghai port
-
Minimum Order Quantity
- 1 pc
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
- Main Products
- Grating, Steel Grating, Bar Grating, Stair Tread, Drain Cover, Trench Cover, Handrail, Drainage Cover, Stanchion, Ditch Cover
-
Production Lines
- 8
-
Production Machines
- Pressure welding machine, Cutting Machine, Welding Machine
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 10 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-02-10
-
Export Year
- 24 years
-
Main Markets
- North America, South America, Southeast Asia/ Mideast, Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the available bearing bar pitches?
- Available pitches include 12.5, 15, 30, 40, and 60mm, with 30, 40, and 60mm recommended.
- Can the grating be customized?
- Yes, full customization is available from samples or designs, including minor and flexible customization.
- What certifications does the product have?
- The product holds BSCI, CCC, CE, and ISO certifications.
- What is the lead time for orders?
- Lead time is within 15 working days or one month for both peak and off-peak seasons.
- What materials are used for the grating?
- The grating is made from mild steel or stainless steel.
- What surface treatments are available?
- Options include untreated, painted, or hot-dip galvanized finishes.
- What are the payment terms?
- Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
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