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Shingchem 99.96% Purity Air Conditioner R134A/R404A/R22/R410A Refrigerant Gas R134A, Find Details and Price about Refrigerant Gas Refrigerant R134A from Shingchem 99.96% Purity Air Conditioner R134A/R404A/R22/R410A Refrigerant Gas R134A - Qingdao Shingchem New Material Co., Ltd.