And Zhang Yongling, like many farmers from the original random salt, into a modern science, quantitative salt.
和张永玲一样，很多农民从原来的随意加盐，变成现在的科学、定量用盐。
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Beijing Tong Ren Tang group Co Ltd, a time-honored TCM producer, is also expanding its global presence, said ding Yongling, deputy general manager of group.