Key facts
- The joint venture will rank among the world's top 10 producers of polyolefin plastics.
- The companies are PTT Group and Siam Cement Group.
Thailand's PTT Group and Siam Cement Group will establish a joint venture to manufacture commodity-grade plastics, creating what will be one of Southeast Asia's largest producers in the sector. The companies announced the deal on Thursday. The joint venture is expected to rank among the world's top 10 producers of polyolefin plastics.

