Hangzhou Union Industrial Gas-cov cuab yeej Co., Ltd.Peb lub tuam txhab ib txwm hais kom siv cov thev naus laus zis raws li kev txav mus los, hais txog cov txheej txheem thiab cov khoom lag luam tshiab, koom tes nrog ntau lub koom haum tshawb fawb thiab tshawb fawb, cov tsev kawm ntawv uas yog ...
Txawm hais tias koj xav tau cov pa oxygen cryogenic, kua nitrogen cog lossis koj xav tau cov nroj tsuag siab purity nitrogen, lossis koj xav tau cov nroj tsuag oxygen, tsis txhob yig tiv tauj peb.