Viscosity Meter Companies - Diretório de empresas exportadoras Viscosity Meter

Changsha Friend Experimental Analysis Instrument Co. , Ltd is a leading company of petroleum product analysis apparatus in China. As a professional manufacturers of petroleum testing equipment, we are an active member in standards organizations and lead standard development to guarantee that the methods meet customer requirements of precision and ease of use, which is why Friend Instrument Company is a leading producer and supplier of petroleum and petrochemical instrumentation in China