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 API certificate
API certificate
API Q1
ISO 19001
ISO 19001
ISO 45001
ISO 45001
ISO 14001
ISO 14001
Gost certificate
Certificate of scientific and technological achievements
Five star after sales service certification
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Metering station certificate
Group company - top ten youth demonstration post 2007
Group company - advanced unit of civilization construction 2011
Group company - Advanced grassroots League Organization 2011
Group company - advanced unit of civilization construction 2010
Administration Bureau - Advanced grassroots party organizations 2011
Administration - Advanced grass roots Party organizations 2010
Group company - advanced unit of safety production 2008
Administration Bureau - Advanced grass roots party organization 2009
Dongying City - integrity enterprise 2010 certificate
Dongying City - integrity enterprise 2010
Dongying City - enterprise credit rating 2012
Dongying City - the city's advanced foreign trade enterprises in 2009
Dongying District - advanced unit of work safety 2009
Dongying District - advanced export unit 2011
Dongying District - advanced unit of work safety 2008
Dongying District - advanced unit of safety production 2007
Dongying District - advanced unit of work safety 2006
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