Как спарсить информацию товара Amazon?

<?php
class Curl {
    private static $instance;
    private $curl_handler;
    
    private function __construct()
    {
    }

    public static function getInstance()
    {
        if (!isset(self::$instance)) {
            $instance = new Curl();
            $instance->init();
            self::$instance = $instance;
        }
        return self::$instance;
    }
    
    public function init()
    {
        $this->curl_handler = curl_init();
        curl_setopt_array($this->curl_handler, array(
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HEADER => false,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_HTTPPROXYTUNNEL => false,
            // proxy settings here
            //CURLOPT_PROXY => 'localhost',
            //CURLOPT_PROXYPORT => 8091,
            
            //CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0',
            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0',
        ));
    }
    
    public function getPage($url)
    {
        curl_setopt($this->curl_handler, CURLOPT_URL, $url);
        $html = curl_exec($this->curl_handler);
        return curl_exec($this->curl_handler);
    }
}