Peb yog cov chaw tsim khoom siv sab nraum zoov zoo tshaj plaws hauv Wenzhou, Suav.

Peb cov cuab yeej qoj ib ce sab nraum zoov yog tus nqi sib tw.

Txhua yam khoom siv sab nraum zoov tau pom zoo daim ntawv pov thawj CE, ISO, SGS thiab lwm yam.

Nov yog peb qhov kev txiav txim tam sim no ntawm cov cuab yeej siv sab nraum zoov zoo saib cov duab peb tau siv cov hlau galvanized, LLDPE yas thiab PVC tuav rau cov cuab yeej siv sab nraum zoov.

Yog tias koj tab tom nrhiav cov tuam txhab tsim khoom siv sab nraum zoov, vim li cas ho tsis nug peb dawb?