Complex sentence: In 1959, the company also established a Canadian china manufacturing subsidiary called the "Vandesca Pottery Ltd." of Joliette, Quebec the only pottery in Canada to manufacture vitreous china.
Split into simpler sentences: In 1959, the company also established a Canadian china manufacturing subsidiary called the "Vandesca Pottery Ltd." of Joliette, Quebec. It was the only pottery in Canada to manufacture vitreous china.