1953年在国内首创生产活性碳酸钙，1959年在全国首先开始生产医药用碳酸钙为全国药厂配套。

We initiated active calcium carbonate in 1953. In 1959, we started to supply domestic medical factory. Our product is with P.

youdao

1953年在国内首创生产活性碳酸钙，1959年在全国首先开始生产医药用碳酸钙为全国药厂配套。

We initiated active calcium carbonate in 1953. In 1959, we started to supply domestic medical factory. Our product is with P.

youdao