As our products are popular both at home and abroad, their demand is increasing yea by year.

A. 由于我们的产品在市场上十分畅销，目前已经供不应求了。

B. 由于我们的产品在国内外很受欢迎，故需求量在逐年增加。

C. 随着我们的产品打入国际市场，其市场需求量在逐年提高。