Raws li daim ntawv thov cov kab yas cov kab lag luam txuas ntxiv mus rau kev txhim kho cov kav dej, PVC, PE, yas-yas cov kav dej, Hla Pe kav dej, yas hlau sib xyaw ua ke, Polyethylene silicon core kav, etc {} tau ntxiv rau xyoo tas los.
1) nruj polyvinyl chloride (upvc) yeeb nkab,
2) chlorinated polyvinyl chloride (CPVC) yeeb nkab,
3) polyethylene (PE) yeeb nkab,
4) Hla cov polyethylene (PE-X) yeeb nkab,
5) Ntaus III Polypropylene (PP-R) Yeeb Nkab,
6) polybutylene (pb) yeeb nkab,
7) Engineering Yas (ABS) yeeb nkab,
8) Iav Fiber Reinferced Yas (Rpm) Yeeb,
9) Txhuas Yas Composite (Pap) Yeeb Nkab,
10) steel yas sib xyaw (SP) yeeb nkab,
Yas yeeb nkab kab khoom cov qhob yeeb nkab tau {}} Cov ntaub ntawv lag luam muaj nyob rau hauv kev tsim kho (ua cov khoom lag luam tshiab) Cov chaw dav dav.