Factory/PlantMaterials & chemicalsOverseas

Tokuyama opens new semiconductor polysilicon plant in Ho Chi Minh City

Tokuyama CorporationHo Chi Minh City, VietnamPublished Aug 20, 2026

Investment¥3.5B

PhaseCompleted

Start—

CompletionAug 13, 2026

Tokuyama held the opening ceremony for a new semiconductor-grade polysilicon plant operated by its wholly owned subsidiary Tokuyama Vietnam in the Phu My 3 Special Industrial Park, Ho Chi Minh City. The facility will crush and wash polysilicon and serve as an overseas supply-chain hub, with trial operations and quality verification to follow.

Project facts

Owner: Tokuyama Corporation
Listing: 4043 Tokyo
Facility: Factory/Plant
Sector: Materials & chemicals
Location: Ho Chi Minh City, Vietnam (overseas)
Investment: ¥3.5B — capitalization; approximately VND 580 billion (about JPY 3.5 billion)
Scale / capacity: Semiconductor-grade polysilicon manufacturing and sales; crushing and washing
Completion: Aug 13, 2026
Announced: Aug 20, 2026
Themes: semiconductor-supply-chain

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

More from Tokuyama Corporation2 projects · ¥3.5B disclosedCompany profile →

Tokuyama to expand aluminum nitride powder production capacity by 30% at Yanai centerYanai, YamaguchiPlannedn/d

Also in Vietnam4 projects · ¥3.5B disclosedOn the map →

Hankyu Hanshin Properties and CRE complete Sembcorp Logistics Park (Dinh Vu) in VietnamCRE, Inc.Completedn/d Megmilk Snow Brand Vietnam starts operations at new process cheese factoryMEGMILK SNOW BRAND Co., Ltd.Completedn/d Megmilk Snow Brand starts operations at new processed cheese plant in VietnamMegmilk Snow Brand Co., Ltd.Completedn/d

Latest in Materials & chemicalsAll Materials & chemicals →

Ashimori Industry to build sewer-pipeline rehabilitation materials plant in Tochigi

Materials & chemicalsTochigiPlanned¥6B2026.10.03

Ashimori Industry, a Toyoda Gosei group company, will establish a new plant in Shimotsuke, Tochigi, to produce liners used for sewer-pipeline rehabilitation, including the Paltem L-UV method. The plant is scheduled to begin operations in the first half of 2028, supporting demand for infrastructure renewal in eastern and northern Japan.

TOPPAN's Irplast installs new BOPP film production line at Italian plant

Materials & chemicalsItalyCompleted2026.09.17

TOPPAN group's Italian film manufacturer Irplast has installed a new production line using Bruckner's LISIM simultaneous biaxial-stretching technology to produce high-function BOPP film for recyclable monomaterial packaging. The new line is intended to strengthen global supply, with commercial production targeted by the second half of 2026; total plant capacity will reach up to 30,000 tonnes per year.

Tokyo Ohka Kogyo completes high-purity chemicals plant in Pyeongtaek, South Korea

Materials & chemicalsGyeonggiCompleted¥12B2026.09.15

Tokyo Ohka Kogyo has completed the first-phase Pyeongtaek plant operated by its Korean subsidiary, TOK Advanced Materials, in Gyeonggi Province, South Korea. The facility includes a high-purity chemicals production building, warehouse and ancillary facilities, and is scheduled to begin operations in the first half of 2027 to supply semiconductor customers locally.

Mitsubishi Materials to double tungsten recycling capacity at Japan New Metals

Materials & chemicalsAkitaPlanned¥8B2026.09.09

Mitsubishi Materials will invest approximately ¥8 billion to upgrade hydrometallurgical and recycling equipment at its subsidiary Japan New Metals' Akita Plant, nearly doubling ammonium paratungstate (APT) production capacity to 2,400 tons per year. The project supports domestic tungsten resource circulation and reduces Japan's import dependence on the critical mineral.