xyzshop/helper/refill/RefillFactory.php

<?php

namespace refill;

if(defined('COMPANY_NAME') && COMPANY_NAME === 'LZKJ_COMPANY') {
    require_once(BASE_HELPER_PATH . '/refill/LZRefillFactory.php');
}
else {
    require_once(BASE_HELPER_PATH . '/refill/XYZRefillFactory.php');
}

class RefillFactory
{
    public static function instance()
    {
        if(defined('COMPANY_NAME') && COMPANY_NAME === 'LZKJ_COMPANY') {
            return LZRefillFactory::instance();
        }
        else {
            return XYZRefillFactory::instance();
        }
    }
}