Shanghai Richem Trading Ltd. /Toppot Int'L

Shanghai Richem, one of branch of Toppot int'l, specialist in Ozone Depletion Substances replacement, which include refrigerants, cleaning agents, electronics chemicals, etc.

For refrigerants, we import world famous Dupont Freon and Suva series, which to replace CFCs, such as R22, and its replacement R407c, R410a, R417a, R422a, R12 replacement of R134a, R406a, R404a, R507, R23, R14, R508a, R508b, etc;

And precision cleaning agents used for electronics field to replace TCA-111, CFC-13, TCE, etc, such as n-Propyl Bromide azeotrope, HFC4310, HFE7100, HFC365 series, and some HCFC-141b series.