Specifications

ISO9001-2000 We are specialized in trench cover, Sewer cover, well cover, steel cover
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Detailed trench covers Description1. Steel product standard: China YB/700-882. Standard: it is manufactured according to customers' requirements.

   For example:

1) Bearing bar pitches may be 12.5,15 to 30, 40, 60, 80 and 90mm, of which 30 and 40mm are recommended.

2) Cross bar pitch may be 30, 38, 50, 76 and 100mm, of which 50 and 100mm are recommended

3) Advantages of steel gird plank: light weight, strong intensity, big load capacity, transmission and aeration, antiskid and secure, wear well, non-dropsy, non-dirt, and easy to install

4) Hot galvanizing standard: China GB/T13912-925) Wrapping: wrapping is requested by guests or it depends on the wrapping methods used before