TYPES:
HONGSEN HS-473AL-60" LOW R410A/R22/R134a/R407c
HONGSEN HS-466NAL LOW R410A/R22/R134a/R404A
HENGSEN CT-536C-R410 DOUBLE R32/R410a/R22/R134a
HENGSEN CT-467GF/L LOW R32/R410a/R134/R22