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 Ningbo Lihongyuan Steel Grating Co., Ltd a leading professional manufacturer of high quality steel grating, stair treads, handrails, trench grating, grating clips, cable tray, located in Ningbo near to Shanghai of China.
Our factory approves ISO9001-2008 Quality Management System in 2001. There are three production lines in our company, and 75% of products is regularly exported to the worldwide with perfect quality. There are many regular grating customers in USA Houston, Ohio, Charttle, LA, MiddleEast, AUS, Europe and Southeast so on.
This company is specialized in manufacture and exports all kinds of steel gratings with the best quality, competitive price and faster delivery time. Such as steel mill black and hot DIP Galvanizing and stainless steel grating, platform and steel structures, stair tread, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
We produce three kinds of steel gratings, they are Plain Steel Grating, Serrated Steel Grating and I Bar Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.
1) Bearing Bar (Load Bar) Size(mm):
The specification of plain type and serrated type bearing bar is 20 X 3 to 100 X 10; The specification of I-section type is 25X5X3, 32X5X3, 38X5X3, 40X5X3, 50X5X3, 50X7X4, 55X7X4,
60X7X4, 65X7X4, 70X7X4, 75X7X4, etc.
2) Bearing Bar (Load Bar) Pitch (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,
America standard is available <1'' X 3/16'', 1 1/4'' X 3/16'', 1-1/2'' X 3/16'', 1'' X 1/4'', 1-1/4'' X 1/4'', 1 1/2'' X 1/4''(19-w-4) and so on. >
3) Cross Bar pitch (center to center):
38, 40, 50, 60, 76, 90, 100, 102, 135mm and so on.
4) Steel Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing
6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS. |
| Company Name: |
Ningbo Lihongyuan Steel Grating Co., Ltd. |
Type of company: |
Enterprise Units () |
| Place of Origin: |
Zhejiang |
Company Size: |
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| Registered Capital: |
Not filled |
Year of Registration: |
2009 |
| Data certification: |
      Enterprise data through authenticate
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| Business: |
Steel Grating , Cable Tray |
| Industry: |
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