дренаж траншеи крышка-дренажная крышка U-тип траншеи

We are specialized in drainage pit cover,trench cover ,floor drain , sump grates , Gully grate , ditch grates , well grates etc.Wehave manyregular grating customers in USA ,AUS,Kuwait, UAE, Malaysia, ,Philippine,Singapore,UK,New zealand,Tunisia ,South Africa and so on. More than 60% of products is exported to the worldwide. There aremany different types for your choice to meet different load and clear span which are made of steel grating.They are have many adeantages,such as easy construction,big bearing capacity,good looking and long durability through hot galvanizing for the surface treatment.They are widely used in municipal engineer walkways,shools,residential quarters,garden facilities,stadium,port,industry,oil and chemistry projectsetc . We can alsomanufacture the product according to customer 's nend, any shape and size with different bearing capacity and span.In this case, the bearing capacity is up to the grating which you choose as your practical demand. 1.Material: Mild Steel (Low Carbon Steel) or Stainless Steel 2.Surface Treatment: Untreated, Painting ,Powder coated or Hot dip Galvanizing 3.Steel grating standards: A) China: YB/T4001-1998 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1988 E) Japan: JJS. Contact: Miss Suri Yu, Tell:0086-574-88073970 Mobile: 008613429291785,Fax:0086-574-88073962