Who owns TONSAN?
TONSAN is owned by H.B. Fuller (the United States, NYSE: FUL).[1]
Evidence: H.B. Fuller Company Annual Report on Form 10-K filed 2026-01-22, SEC EDGAR, 22 January 2026. Verified from filings; last checked .
Key facts
- Current owner
- H.B. Fuller Company verified
- Owner HQ
- 🇺🇸 United States, St. Paul
- Origin
- 🇨🇳 China
- Category
- Home care › Household goods & storage › Adhesives & repair
- Parent ticker
- NYSE: FUL
- Last verified
- · 1 sources
About TONSAN
TONSAN is an engineering adhesives brand in H.B. Fuller's portfolio and appears among the trademarks the company names as important in its latest 10-K. H.B. Fuller says it has over 30 years in the market and sells silicones, polyurethanes, epoxies, acrylics, chloroprenes and butyl sealants to automotive, aerospace, new energy and industrial assembly customers, with its own manufacturing facilities and customers in China and around the world. The group's subsidiary list includes Tonsan Adhesive, Inc. in China.
How often H.B. Fuller names TONSAN in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central.
Ownership timeline of TONSAN
- Current owner H.B. Fuller [1] verified
Where TONSAN sits in H.B. Fuller
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full H.B. Fuller ownership tree →
See the full H.B. Fuller brand portfolio (3) →
Other brands owned by H.B. Fuller
H.B. Fuller controls 3 brands on Brandtree, 3 of them in home care.
Also in home care
Other brands in adhesives & repair, and who owns them
H.B. Fuller has more brands in adhesives & repair on Brandtree than any other owner: 3 of 18.
| Brand | Owner | Owner based in |
|---|---|---|
| Loctite | Henkel | 🇩🇪 Germany |
| Fevicol | Pidilite | 🇮🇳 India |
| Command | 3M | 🇺🇸 United States |
| Bison | Bolton Group | 🇮🇹 Italy |
| 3-IN-ONE | WD-40 Company | 🇺🇸 United States |
| tesa | Beiersdorf | 🇩🇪 Germany |
| Penguin | Sunstar | 🇨🇭 Switzerland |
| Swiss Army Knife | Victorinox | 🇨🇭 Switzerland |
About the owner: H.B. Fuller
H.B. Fuller is a publicly listed company headquartered in St. Paul, United States, founded in 1887. Brandtree records 3 brands under its control, and it is listed as NYSE: FUL.
H.B. Fuller is a Minnesota adhesives and sealants maker. Its latest 10-K says it was founded in 1887, incorporated in Minnesota in 1915 and is run from St. Paul, and that it formulates, manufactures and markets adhesives, sealants and other specialty chemical products in 34 countries. Its customers are manufacturers rather than households: its own brands page says it sells to electronics, hygiene, medical, transportation, clean energy, packaging, construction and woodworking businesses. It sold its North America flooring business at the start of fiscal 2025, and the Building Adhesive Solutions segment now combines its construction, insulating glass, woodworking and composites activities. Only brands whose country of origin appears in the filing's subsidiary list are recorded here.
🇨🇳 TONSAN and other Chinese brands
Brandtree records a controlling owner for 319 brands that began in China. 39 of them (12%) are now controlled by a company headquartered in another country, TONSAN among them.
Frequently asked questions
Who is the parent company of TONSAN?
The parent company of TONSAN is H.B. Fuller, a publicly listed company headquartered in the United States.
Is TONSAN Chinese or American?
TONSAN originated in China, but it is owned today by H.B. Fuller, which is headquartered in the United States. So TONSAN is a Chinese-origin brand under American ownership.
Is TONSAN still owned by H.B. Fuller?
Yes. As of 3 October 2026, TONSAN is still owned by H.B. Fuller. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] H.B. Fuller Company Annual Report on Form 10-K filed 2026-01-22 — SEC EDGAR, SEC Form 10-K, published 22 January 2026; retrieved 3 October 2026.
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