The SIS Kata Resort Company Limited led by Mrs Supaporn Phatharaworanee Managing Director one of the three SISters Ms Kanokkorn Phatharaworanee Deputy Managing Director and Mr Matthew C Hindmarch Group General Manager signed a contract with Siam Wellness Group Public Company Limited (known as Let's Relax Spa) led by Mr. Wiboon Utsahajit, President Mr. Narun Wiwattanakrai, Executive Director at Kata Sea Breeze Resort.