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():_____ ! [] | | | | | ,() , , [] [http;//www.jnzl.com] : 0 0 : 0 [object] [object] $[object][object]...[object] 1 1 : $[object] [object] $[object][object]...[object] : $[object] [object] [object] [object] $[object] $[object] [object] [object] $[object] $[object] [object] [object] [object] $[object] x $[object] $[object] [object] $[object] $[object] $[object] [object] [object] [object] $[object] [object] [object] [object] []$[object] x $[object] $[object] [object] [object] [object] [object] [object] [object] []$[object] x $[object] $[object] [object] [object] : 15281016684 : 400-881-5296 : 400-881-5296 :15281017034 :15281016684 :13980001041 . PPR. PPR PPR R4 R22.R134a R32.R23 R600A R141b.R142b R142b PVC 90 degrees 90 degrees 45 degrees 180 degrees PVC PVC PVC 6-20 25-50 15-25 30-40 PE PE . EVR CSV SGP NRV CCV GBC CBV T2 T2-R22 T2-R404 T2-R407 T2-R134 TEB2-R23 TUBE-R22 TGEX-R22 TGES-R404 TGEZ-R407 TGEL-R410 TGEN-R134 TGEN-R134 TGEN-R134/O TE5 TE12 TE20 TE55 ETS ETS AKV -48 -100 -48 -10