Building Material Steel Grating with H. D. G. Finish

• Surface Treatment: Hot-DIP Galvanized
• Mesh: 30X100mm
• Bars: 25X5mm
• Bearing Bar Type: Plain/Serrated/I Type
• Certificate: Ce/ISO9001/ISO14000/ISO18000/OHSAS18001
• Grating Steel Standard: ASTM A36, Q345, Q235,S235jr
• Model NO.: 255/30/100
• Grating Standard: ANSI/Naamm, BS4592, Yb/T4001-2007
• Transport Package: Regular Exporting Packing
• Specification: GB/T4001.1-2007
• Trademark: Longta
• Origin: China
• HS Code: 7308900000
• Production Capacity: Over 70, 000 Tons Per Year

Product Description

Building Material Steel Grating with H. D. G. Finish 

★We 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: 
 

No	Item	Description
1	Bearing bar	25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm
2	Bear bar pitch	12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16",  1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
3	Cross bar pitch	38,50,76,100,101.6mm
4	Material	Q235,A36,SS304
5	Surface treatment	Black, hot dipped galvanising, paint
6	Standard	China: YB/T 4001.1-2007
		USA: ANSI/NAAMM(MBG531-88)
		UK: BS4592-1987
		Australia: AS1657

★Customized Steel Grating 
We can not only fabricate rectangular steel gratings, but also special shaped gratings as per customer's drawing.


There can be a trepanning or cutouts. The cutouts can be round or straight. Such cutouts can allow a pipe through or just match other gratings to complete a project.

For your convenience, we will mark the panel number on the side of the grating.

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: 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.

                                            


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.