PMC 貴金屬粘土協會:
People everywhere understand the benefits and pleasure of sharing their questions and enthusiasm. The PMC Guild is working with partners around the world to develop a network of regional Guilds that are dedicated to non-commercial support, technical advice and inspiration.
| 地區 | 網址: |
| USA 美國 | http://pmcguild.com |
| JAPAN 日本 | http://www.pmcguild.jp |
| Australia and New Zealand 澳洲和新西蘭 | http://www.pmcguild.com.au |
| United Kingdom 英國 | https://www.facebook.com/pages/PMC-Guild-UK |
三菱Mitsubishi Materials Corp. Site:
http://www.mmtc.co.jp/ja/products/pmc.html