Because in the past the US had been CSRI's strongest market, 7 years previously it had, after some careful thinking, bought the world's largest carbon black factory --the Atlanta Carbon Black Technology Research Center --in order to break into the mainstream.
由於美國向來是正新的主力市場，為了攻入主流，經深思熟慮後，正新買下了世界最大的碳煙廠旗下位於美國亞特蘭大的碳煙技術研究中心。