<https://www.chengs27.com/shop/product-category/sample-product/steam-pork/#product>
<http://schema.org/sku>
"5426"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.chengs27.com/shop/product-category/sample-product/steam-pork/?add-to-cart=5507>