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2012 South China electroplating industry, surface treatment and coatings Dongguan International Exhibition Shenzhen Rongqiang Technology Co., Ltd. video
In 2012, the 25th International Surface Treatment Exhibition was held in Guangzhou.
2011 24th China International Surface Treatment Exhibition Huicong Surface Treatment Network interview Rong Qiang

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2011 24th China International Surface Treatment Exhibition Huicong Surface Treatment Network interview Rong Qiang

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