If you are trying to share content between sites, you may want to look at the deploy module....
The Deploy module is designed to allow users to easily stage content
from one Drupal site to another. Deploy automatically manages
dependencies between entities (like node references). It is designed
to have a rich API which can be easily extended to be used in a
variety of content staging situations.
To share a Content Type between sites, look into features:
The features module enables the capture and management of features in
Drupal. A feature is a collection of Drupal entities which taken
together satisfy a certain use-case.
Features provides a UI and API for taking different site building
components from modules with exportables and bundling them together in
a single feature module. A feature module is like any other Drupal
module except that it declares its components (e.g. views, contexts,
CCK fields, etc.) in its .info file so that it can be checked,
updated, or reverted programmatically.
Alternatively if you're only trying to share a list of things, what about using RSS feeds from Website 1 and using the Feeds Module to pull it into Website 2?
Import or aggregate data as nodes, users, taxonomy terms or simple database records.
One-off imports and periodic aggregation of content Import or
aggregate RSS/Atom feeds Import or aggregate CSV files Import or
aggregate OPML files PubSubHubbub support Create nodes, users,
taxonomy terms or simple database records from import Extensible to
import any other kind of content Granular mapping of input elements to
Drupal content elements Exportable configurations Batched import for
large files
Also as mentioned in the comments the Migrate Module is worth a look.
The migrate module provides a flexible framework for migrating content
into Drupal from other sources (e.g., when converting a web site from
another CMS to Drupal). Out-of-the-box, support for creating core
Drupal objects such as nodes, users, files, terms, and comments are
included - it can easily be extended for migrating other kinds of
content. Content is imported and rolled back using a bundled web
interface (Migrate UI module) or included Drush commands (strongly
recommended).
