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2017
01/03

Brazilian company visited GOLDSUN


Brazilian company visited GOLDSUN during Nov. of 2014 and...
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2017
01/03

Canadian and Mexican companies visited GOLDSUN


Canadian and Mexican companies visited GOLDSUN during Oct...
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2017
01/03

GOLDSUN shake hands with LUDONG University


GOLDSUN shake hands with LUDONG University to start the c...
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2017
01/03

Science and technical authentication by Shandong Province


Science and technology committee of Shandong Province vis...
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2017
01/03

Authentication by China National Energy Bereau and China Mechnical Associate


Authentication by China National Energy Bereau and China ...
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