Khoom Taw Qhia 90 WPC qab nthab raj yog qhov loj-loj U-zoo li lub qab nthab profile nrog ntau dua ntsug qhov siab kom muaj zog pom kev cuam tshuam, zoo tagnrho rau qhov chaw loj hauv qab nthab.

Khoom Luv 60 WPC qab nthab raj yog nruab nrab-loj U-shaped qab nthab profile. Nws ua haujlwm nrog keel rau modular qab nthab installation thiab txhim kho spatial txheej.

Khoom Muag 45 WPC qab nthab raj yog U-shaped qab nthab profile, uas tuaj yeem sib sau ua ke rau hauv qab nthab, xa cov kab peb sab yooj yim thiab niaj hnub ua pa qab nthab.