Cov tsiaj ntes tawb muaj qhov zoo-tuned tripping mechanism rau cov tsiaj hnyav, tshem tawm qhov tsis tseeb, thiab lub qhov rooj muaj zog ua kom muaj kev nyab xeeb.
Nws yog ua los ntawm galvanized integrated steel hlau mesh kom txhim kho xeb tiv thaiv thiab tiv thaiv corrosion. Cov qhov rooj steel muaj zog ua kom muaj zog.

