タイトルまたは説明

Product Specification:

Factory direct sale! 

1.cast iron drainage gully grate with high quality ,make to order.

2.bearing capacity:**5KN

3.standard: EN**4 

4.ISO ***1,SGS Certified

5.size: **0****0mm, **0***0mm, **0***0mm **0***0mm

6. we can make it as your required

 

technologies :

1. Triple anti-noise technology. 

The first: Put a rubber cushion between round cast iron rain grate and frame. 

The second : Make the round cast iron rain grate and frame more tighter and matched.

The third : Set a elastic device at the back of round cast iron rain grate , in order to avoid  round cast iron rain grate  to deform.

2. Duplicate anti-theft technology.

The first : The antitheft protection of round cast iron rain grate combined with the lock. 

The second  : Set a lock on  round cast iron rain grate , such as general type, professional type, password type, electronic password type

3.Anti-subsidance.

4.Anti-skidding and drainage.