Trade India - http://www.tradeindia.com
Database of Indian exporters and importers. 

Korean Marketplace - http://www.koreasme.org/
Search Korean manufacturers by keyword or product category (HS number), and access web sites, or request information. The site claims a database 10,000 companies and 50,000 products, and provides industry-related information. 

All China Sources Online - http://www.china-manufacturers.com/
B2B portal site with a directory database of Asia, suppliers, and exporters. 

Hong Kong Optical Manufacturers Directory - http://www.hkexporter.net/optical/
Profiles over 70 Hong Kong optical, glasses, frame, and eyewear manufacturers that export. Listings include address, phone, fax, email, contact name, products, distribution, and investment company.