About RTI

our vision


Our Journey

Our Journey

  • Rianthai Interplas Co. Ltd Established

  • Became first company in Thailand to produce high density polyethylene (HDPE).

  • Became first company in Thailand to produce PVC bottle using automatic blow moulding machine

  • Developed and became Thailand’s leading company to produce PETG bottle.

  • Major expansion of product range to PET bottle using injection stretch blow moulding (ISBM) technology.

  • Expanded and established our “Clean Room” production site, naming “Millennium Plant”.

  • Successful development of in-house mould & die manufacturing.

  • Expanded our production site at Wellgrow Industrial Estate. Our “Wellgrow Plant”.

  • Invested in fully electric injection stretch blow moulding (E-ISBM) with in-mould labelling

  • Invested in solar roof top at the production site as part of our sustainability commitment.


Our Client

Our Client