Xian long Electronics co., Ltd., Dongguan City, the spirit of "customer first, honesty first" principle, with a number of enterprises to establish a long-term relations of cooperation.

东莞市贤隆电子有限公司本着“客户第一，诚信至上”的原则，与多家企业建立了长期的合作关系。

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The growth, early bolting, yield of Angelica sinensis and its content and components of essential oils in the high, middle and low mountain of Guan Shan in Long Xian were discussed.

本文对关山高、中、低山当归的生长、早期抽苔、产量和挥发油含量及其主要成分进行了研究。

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