PTT Global Chemical (GC) and SCG Chemicals (SCGC) announced plans to combine their olefins and polyolefins businesses in Thailand via a joint venture, with GC holding 56% and SCGC 44%. The venture will have a combined olefins capacity of 7.1 million tons per year and aims to rank among the world's top 10 polyolefins producers.

Indorama Ventures' Indovida unit, Suntory, Suntory PepsiCo Beverage Thailand and Iwatani formed a partnership bringing Flake-to-Preform direct recycling technology to Thailand through a joint venture. The venture is expected to produce preforms equivalent to about 400 million bottles annually, supplied to Suntory PepsiCo from 2028.

Indorama Ventures, Suntory Holdings, Suntory PepsiCo Beverage Thailand and Iwatani will develop commercial-scale circular PET packaging in Thailand via the Indovida venture, using flake-to-preform recycling technology. Output is expected to be about 400 million bottles' worth of preforms a year from 2028.

NatureWorks opened a fully integrated Ingeo biopolymer manufacturing facility in Thailand that will use locally sourced sugarcane as feedstock.

SCG Packaging (SCGP) completed the acquisition of a 90% stake in VEM Thailand, a polymer injection molding maker in Rayong, through its Singapore subsidiary for up to Bt146.2 million (US$4m). The deal was announced on 1 July 2024.

Kao Industrial (Thailand), SCG Chemicals and Dow Thailand signed a memorandum of understanding in Bangkok to jointly develop recyclable, lower-carbon packaging for Kao's product range in Thailand.

Thai packaging company BGC Container Glass agreed to buy 100% of Prime Packaging, a Thai maker of flexible plastic packaging and film rolls, for 580 million baht funded by bank loans. The share purchase agreement was signed on 28 February 2023, and revenue is expected from Q2 2023.

Starflex PCL and Thai Union Graphic signed an MOU for a joint venture with registered capital of THB 250 million, with Starflex holding 51% and Thai Union Graphic 49%, initially to build a factory producing flexible packaging mainly for food.

SCG Packaging (SCGP) is investing Baht 510 million in a new production line and automated warehouse at Visy Packaging (Thailand), adding about 347 million pieces a year of capacity. The line has started commercial operation and the warehouse is due for completion at the end of 2021.

PRECISION has completed the expansion of its production facility in Thailand, adding 2,350 square meters to increase production of valve and injection-molded parts and provide additional warehouse space.

SCG Chemicals, a unit of SCC, will subscribe to 40,560,773 new A.J. Plast shares, about 9.22%, at 17.15 baht per share, totaling roughly 696 million baht, in a private placement.

SCG's Packaging Business acquired an 80% stake in Visy Packaging (Thailand) from Visy Singapore Investments for about 4,341 million THB, adding thermoformed food packaging capacity.

Corbion will expand its existing lactide plant in Rayong, Thailand by 25,000 tons per annum, with start-up targeted for the second half of 2018 alongside the new PLA plant.

Corbion broke ground on 9 November 2016 for a 75,000 tons per annum PLA polymerization plant at its Rayong site in Thailand, with a reported capex of 140 million USD. Sulzer Chemtech supplies key equipment and start-up is targeted for 2018.