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123 SINOY GROUP LIMITED SINOY GROUP LIMITED is a big enterprise of manufacture, sell and export, which branch companies are Qingdao YingFengYuan Industrial & Trading Co., Ltd. SINOY GROUP LIMITED is a manufacturer of Nitrate chemicals products with well equipped testing facilities and strong technical force. It is founded in 2007, owns 200

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Trend Of Future Development Of Ba...

​The overall thinking of the future development of barium chloride industry in China should be to establish a safe...