$8 million R&D investment annually
100+ R&D engineers’ team
100+ authorized patents
ISO9001, ISO14001, ISO45001, IATF16949, Raw material test, semi-finished product
ASTM, ETAG002, UL, CE, ROHS, French A+
3 production bases
11 automatic production lines
The largest producer of sealants
5 days delivery 40/ft
Fast Response
Technical Support
OEM/ODM
Preferred Supplier
Best Choice
Gazelle Enterprise
Years of Experience
Production Facility
R&D Engineers’ Team
Annual Production
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For caulking companies, every joint sealed is a promise delivered—to protect, to beautify, and to last. At Jointas Chemical, we understand that your success depends on using silicone sealants that not only perform but also support your workflow, save you time, and impress your clients. Jointas as a manufacture