Changsha Friend Experimental Analysis Instrument Co., Ltd
http://changshafriend.tradekorea.com
Changsha Friend Experimental Analysis Instrument Co., Ltd
is a leading brand of petroleum
product analysis apparatus field 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