Serrated Steel Grating-H. D. G. with High Quality

• Customization: Available
• After-sales Service: Online
• Surface Treatment: Hot-DIP Galvanized
• Model NO.: 255/30/100
• Mesh: 30X100mm
• Bars: 25X5mm
• Transport Package: Regular Exporting Packing
• Specification: GB/T4001.1-2007
• Trademark: Longta
• Origin: China
• HS Code: 7308900000
• Production Capacity: Over 50, 000 Tons Per Year

Product Description

Products: Steel grating
Type: JG255/30/100
Material: Q235
Surface Treatment: Hot-DIP Galvanized
Mesh: 30X100mm
Bars: 25X5mm

Ningbo Jiulong MachineryManufacturing Co., Ltd (NJMM) is a leading manufacturer specialized in producing press-welded steel grating. Its production scale, product type, and export volume are all at the top class in China. Located in the famous port city ---Ningbo, it has convenient transportation 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.

We Ningbo Jiulong have three kinds of steel gratings distinguished by different bearing bar types.
 

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! 

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

Contact: Ms. Sunny

 

 

Packaging & Shipping

Company Profile

Manufacturing process:

Certifications

Our Advantages

Why Choose us(NJMM):

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: 8 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.

                                            
Our Mission

To provide the top quality products & best services with global expertise;
To build a harmonious environment for employees growing together with the company;
To contribute to the advancement of both industry & society.

FAQ

1. What standard can NJMM's steel grating meet?
Re: NJMM can fabricate steel grating according to the standards in different counties, such as China: YB/T4001.1-2007, USA: ANSI/NAAMM (MBG531), UK: BS4592 and so on.
2. What specification of steel grating can NJMM fabricate?
Re: NJMM can fabricate any specification of steel grating available, both in inch description and metric description.
3. What are the most commonly stocked panel sizes?
Re: The most common standard panel sizes are 3'X24',3'X20', 1000X6000mm, 1000X6100mm etc.
4. What are the most commonly stocked bar sizes? (Height and thickness)
Re: The most common bars are 1''x1/8'', 1''x3/16'', 1''x3/16'', 1''x3/16'', and 25x3, 30x3, 32x3, 25x5, 32x5, 35x5, 38x5 etc.
5. What is the difference between serrated and non-serrated bar grating?
Re:  Serration is done for slip resistance. It is grating which has the top surfaces of the bearing bars notched.
6. What finishes are offered on bar grating?
Re: Bar grating comes in untreated, painted, hot dip galvanized.
7. Does NJMM do OEM?
Re: Yes.
8. How to contact us?
Re: Send your more inquiry details as below, and click " send " now.