Company Thai Nam Plastic

TNPC

TH0287010Z03

Commodity Chemicals

End-of-day quote Thailand S.E. Other stock markets 2026-07-20			5-day change	1st Jan Change
0.9100 ^THB	0.00%		-1.09%	+7.06%

05-15	Thai Nam Plastic Public Company Limited Reports Earnings Results for the First Quarter Ended March 31, 2026	CI
03-03	Thai Nam Plastic Public Company Limited Reports Earnings Results for the Full Year Ended December 31, 2025	CI

Business description: Thai Nam Plastic

Thai Nam Plastic Public Company Limited is a Thailand-based company, which is a manufacturer of plastic products in Thailand. The Companyâ€™s main business operations are manufacturing and distributing semi-finished plastic products-synthetic leather and film/sheet for the industries of automotive, sports shoes, furniture, and fashionable leather-flexible film/sheet for the application in household, civil engineering, and agricultural functions. Its segments include Manufacturing of plastic parts of automobile industry group, engaged in artificial leather and automobile rubber flooring, and Others-plastic parts of other industry group such as packaging manufacture industry and pharmaceuticals, offers various types of plastics, both soft and rigid, rolls and plates.

Number of employees: 767

Sales by Activity: Thai Nam Plastic

Fiscal Period: December	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)	2025 (THB)
Automobile Industry Group	1.05B	1.41B	1.59B	1.18B	1.19B
Others	4.31M	13.38K	-	176M	149M
Unallocated Other Income (Other Expenses)	18.21M	-	-	-	-

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Geographical breakdown of sales: Thai Nam Plastic

Fiscal Period: December	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)	2025 (THB)
Thailand	827M	1.19B	1.23B	1.03B	1.04B
Export	224M	222M	354M	323M	296M

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Executive Committee: Thai Nam Plastic

Manager	Title	Age	Since
Piyatida Mangkornkarn CEO	Chief Executive Officer	59	2024-04-28
Kritasorn Mangkornkarn PRN	Corporate Officer/Principal	50	-
Somsuan Khondon IRC	Investor Relations Contact	60	-
Chairoj Kongsiripanich AUD	Comptroller/Controller/Auditor	62	-

See THAI NAM PLASTIC governance

Composition of the Board of Directors: Thai Nam Plastic

Director	Title	Age	Since
Siriphorn Mangkornkarn CHM	Chairman	85	-
Kong Mangkornkarn BRD	Director/Board Member	56	-
Thawat Treewannakul BRD	Director/Board Member	66	-
Chaiyanandh Lapitananuvat BRD	Director/Board Member	71	-
Wutipong Vechayanon BRD	Director/Board Member	64	-
Piyatida Mangkornkarn BRD	Director/Board Member	59	-
Kritasorn Mangkornkarn BRD	Director/Board Member	50	-
Vorathep Vithayaviroj BRD	Director/Board Member	81	-
Peesak Prapaiporn BRD	Director/Board Member	72	-

Composition of the Board of Directors

Company details: Thai Nam Plastic

Thai Nam Plastic Public Co., Ltd.

40 Moo 7, Petchakasem Road

74130, Samut Sakhon

http://www.thainam.com

Plastics

Add to a list 0 selected To use this feature you must be a member Log in Sign up	Change	5-day change	1-year change	3-year change	Capi.($)
THAI NAM PLASTIC	0.00%	-1.09%	+12.35%	-24.17%	9.22M
DOW INC.	+1.50%	0.00%	+7.16%	-42.75%	21.89B
BOROUGE PLC	0.00%	-1.23%	-7.34%	-12.73%	19.46B
COVESTRO AG	+0.17%	-0.33%	-0.89%	+21.77%	14.19B
LG CHEM, LTD.	-2.88%	-2.88%	-7.16%	-63.07%	12.67B
FORMOSA PLASTICS CORPORATION	-3.50%	+0.66%	+56.19%	-27.16%	11.94B
YUNNAN ENERGY NEW MATERIAL (GROUP) CO., LTD.	-4.31%	-8.80%	+64.78%	-47.88%	6.92B
HANGZHOU FIRST APPLIED MATERIAL CO., LTD.	-1.08%	+0.96%	+2.24%	-42.92%	5.26B
KINGFA SCI. & TECH. CO., LTD.	-2.61%	-8.90%	+22.80%	+50.17%	5.17B
JINAN SHENGQUAN GROUP SHARE HOLDING CO., LTD.	-9.99%	-24.76%	+19.44%	+47.34%	4.7B
Average	-2.27%	-6.27%	+16.96%	-14.14%	10.22B
Weighted average by Cap.	-1.36%	-4.10%	+12.24%	-20.28%