Tsis tshua muaj kub thiab siab siab valve, siab pipeline, kua engineering, roj drilling khoom, roj teb khoom, folding tsheb kauj vab, me nyuam lub tsheb
1. Smooth nto, exquisite workmanship.
2. High thread precision, tuaj yeem txhim kho tag nrho cov khoom ua haujlwm zoo.
3. Lub installation yog ceev thiab yooj yim, thiab cov txiv ntoo sib txuam yog siv los txuas thiab ceev.