C30plus烯烃

异丁烷r134a绿色制冷剂替代品600a 工厂便宜的价格99.999% 制冷剂R290气体丙烷C3H8气体 制冷剂R134a制冷剂气体780g小罐 高品质制冷剂气体R507A R1234yf R404A R290 R410A R134a，一次性钢瓶灌装，朗酷包装 烯烃织物 聚酯烯烃 硫化烯烃 99.9% High Purity R410a Refrigerant Gases Blend HFC Gas 11.3KG Small Disposable Cylinder Small Refrigerant Cylinder Gas air Condition Gas Net Weight 13.6kg Refrigerant Gas R134a AC systern使用空调制冷剂R134A R134 r 134 α 烯烃 纺粘烯烃 烯烃伞状面料 烯烃户外面料 Factory Price Refrigerant R134a 13.6kg CE Packing Refiliable Packing 热销氧钎焊Mapp气体纯存储比丙烷更热 Factory Direct 13.6kg Cylinder Gas R134a 99.9% Gas 134a 线性 α 烯烃 烯烃纱线 烯烃枕头