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High-Performance Sealants, Adhesives and Water-based Coatings

R&D STRENGTH

R&D STRENGTH

$8 million R&D investment annually
100+ R&D engineers’ team
100+ authorized patents

QUALITY CONTROL

QUALITY CONTROL

ISO9001, ISO14001, ISO45001, IATF16949, Raw material test, semi-finished product

INTERNATIONAL CERTIFICATE

INTERNATIONAL CERTIFICATE

ASTM, ETAG002, UL, CE, ROHS, French A+

STRONG SUPPLY CHAIN

STRONG SUPPLY CHAIN

3 production bases
11 automatic production lines
The largest producer of sealants
5 days delivery 40/ft

ONE-STOP SERVICE

ONE-STOP SERVICE

Fast Response
Technical Support
OEM/ODM

MARKET PERFORMANCE

MARKET PERFORMANCE

Preferred Supplier
Best Choice
Gazelle Enterprise

FEATURED PRODUCTS

antas cover sealant and adhesive for construction, home improvement, electronic field, automobile, shiping, container and solar PV module industry

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Jointas cover anti-corrosion water-based coatings for steel structure, construction, home decoration, machinery and equipment and petrochemical Industry

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About Jointas

Our information and achievements

33+

Years of Experience

82,000

Production Facility

100+

R&D Engineers’ Team

140,000+

Annual Production

COMPANY PROFILE

ENTERPRISE VIDEO
jointas

ABOUT OUR COMPANY

Jointas chemical, founded in 1989, is a leading sealant and industrial coatings manufacturer based in Guangzhou, China. 
China Construction Metal Structure Association has ranked Antas® among the best construction sealant brands for 14 consecutive years. 

Jointas is one of the largest sealant manufacturers with utilizing 4 fully automatic production lines, and 7 automatic colorful sealant production lines in the manufacturing site of 82,000sqm, the production capacity of sealants is up to 100,000mt per annum.

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OUR CLIENTS

IATF16949:2016
Customers in Vietnam
Client
MS sealant antas 352 CE
Provincial Enterprise Technology Center
Demonstration Base of Industry-University-Research Integration of Ministry of Education
Client
Demonstration Base of Industry-University-Research Integration of Ministry of Education
Participants of the 13th Five-Year National Key R&D Project
clients
Demonstration Base of Industry-University-Research Integration of Ministry of Education
clients
IATF16949:2016
Customers in Vietnam
Client
MS sealant antas 352 CE
Provincial Enterprise Technology Center
Demonstration Base of Industry-University-Research Integration of Ministry of Education
Client
Demonstration Base of Industry-University-Research Integration of Ministry of Education
Participants of the 13th Five-Year National Key R&D Project
clients
Demonstration Base of Industry-University-Research Integration of Ministry of Education
clients


NEWS.

5 Proven Ways for Sealant Wholesalers to Retain Customers and Stay Competitive
5 Proven Ways for Sealant Wholesalers to Retain Customers and Stay Competitive

In the highly competitive construction sealant market, where product offerings are often similar, wholesale distributors face a constant challenge: how to retain existing customers and prevent them from being poached by competitors. The key lies in creating value beyond just pricing. Here are five proven and practical

Unlocking the Potential of MS Sealant: A New Era for Building Materials
Unlocking the Potential of MS Sealant: A New Era for Building Materials

Why MS Sealant Is Reshaping the Global Construction Market In the ever-evolving world of building materials, MS sealant—a hybrid polymer sealant also known as Modified Silane sealant—is fast becoming the go-to solution for environmentally conscious and high-performance applications. With increasing restr

Jul 17,2025
Sealant Buyer Guide: 5 Types of Customers in the Silicone Sealant Market
Sealant Buyer Guide: 5 Types of Customers in the Silicone Sealant Market

If you’re looking to enter the construction sealant market, having a high-quality product is just the beginning. The real key? Understanding what your customers truly need. At Jointas, we’ve worked with hundreds of clients across the globe—from contractors to distributors. Over time, we’ve id

Apr 22,2025
How Construction Sealant Distributors Can Win in a Slowing Real Estate Market
How Construction Sealant Distributors Can Win in a Slowing Real Estate Market

As the global real estate sector faces significant tightening, many construction-related businesses—especially in the sealant industry—are feeling the pressure. However, where some see obstacles, others see opportunities. For construction sealant distributors, now is the time to evolve, specialize, and d

Jul 17,2025
Acetic cure silicone vs neutral cure silicone
Acetic cure silicone vs neutral cure silicone

What is silicone sealant?   Silicone sealant plays a role of sealing and waterproofing, which is widely used in construction and industry fields. it looks like ointment and once exposed to moisture in the air, it solidifies into a rubber-solid material. However, different types of silicone sealants have th

Oct 08,2021

Contact

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+86-20-85576000-253

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