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Liangyou Environmental Protection Chemicals Co., Ltd. is a professional chemical refrigerant and air conditioner hose manufacturer located in China. We produce refrigerants, hoses, compressor oil. Our products feature high efficiency, environmental ...

Shanghai greenway was founded in 2007, offers high- quality industrial components, including air filters ,liquid ,compressor and vacuum pump filters, dust collector hydraulic/oil other parts. Our company always adheres the principle of providing ...