Steel Grating Manhole Cover as Good as Iron Casting for Bridge Construction

• Certification: CE, ISO
• Application: Steel Structure Walkway, Foot Pedal, Drain Cover
• Shape: Flat Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Grating Type: Jg305/40/100
• Model NO.: JG325/30.16/101.6 FG
• Bearing Bar Type: Plain Type
• Surface Treatment: Hot-DIP Galvanized
• Market: Global
• Grating Company: ISO9001-2008
• Grating Surface Treatment: Hot DIP Galvanized, Painting, Self Colour / Untrea
• Transport Package: Packaged by Steel Belt with Pallet
• Specification: YB/T4001 or NAAMM or BS4592 or JJS
• Trademark: Longta
• Origin: China
• HS Code: 7308900000
• Production Capacity: Over 100, 000 Tons Each Year

Product Description

Galvanized Anti-Slip Serrated Steel Grating for Platform Steel Floor




Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM)

Is one of the leading manufacturers specializing in producing press-welded steel grating in China. Located in the famous port 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.

Production information:

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: AS1657-1985

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.