自主研发成为唯一的选择。兴达公司押注全年利润的七成建设碳杆生产车间，组建起材料学博士领衔的攻坚团队，历时3年突破技术瓶颈，成功实现了关键原材料的自给自足。
Марина Совина (ночной редактор)
，这一点在纸飞机官网中也有详细论述
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