Choose Tengyu Chemical, Your expert in sealant solutions.

Tengyu Chemical is a specialty chemicals company with a globally leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing, and protection in the building sector and automotive industry. Tengyu has exported to 60 countries around the world, Our main products are Acrylic sealant, Silicone sealant, polyurethane sealant and MS sealant. our high quality products are formulated to deliver superior results no matter how demanding or tough the job is.

Quality Assurance

10+ years of technical precipitation

Global Logistics

Cooperate with many large logistics

Quality Service Provide

Inspect the goods every batch

24 Hours Online

Provide one to one technical service

About Us

Tengyu Chemical (Longkou)Co., Ltd

Established in 2013, Tengyu Chemical (Longkou)Co., Ltd specializes in the R&D and marketing of Acrylic sealants, Silicone sealants, MS polymer, Polyurethane sealants, etc. We always insist on our mission of "Make every customer satisfied with our quality and service". Our experienced staff is always welcome to discuss your requirements and ensure customer satisfaction. I hope to establish successful business relationships with clients around the world.

Specializing in sealant research and development, production, and sales in one of the high-tech enterprises

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Diversified Quality Product

Independent core technology, strict selection of raw materials, rigorous lean production, stable and reliable quality, professional and thoughtful service

The Core Technology Of Autonomy

We employ independent core technology, rigorous lean production methods, and maintain a commitment

to stable and reliable quality.

PATENTS

Currently has 60+ domestic and foreign patents.

PRODUCTS

Independently developed 50+

sealant products.

TEAM

The technical team comprises 30 skilled professionals.

YEARS

Currently has 60+ domestic and foreign patents.

Certified High-Performance Sealant

CE MS wood flooring adhesive

Epoxy Anchoring Adhesive Test Report

SGS Wood Flooring Adhesive

Application Solution

Independent core technology, strict selection of raw materials, rigorous lean production, stable and reliable quality, professional and thoughtful service

Interior Decoration

Enhance the aesthetic appeal of your indoor spaces with our range of premium interior decoration solutions. Our products, including acrylic sealants and tile grouts, offer excellent adhesion, durability, and versatility, ensuring long-lasting beauty and functionality.
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Exterior Application

Protect and beautify your exterior surfaces with our high-quality exterior application solutions. From silicone sealants for weatherproofing to polyurethane sealants for durable bonding, our products provide superior performance and resistance to harsh environmental conditions.
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Door and Windows

Ensure proper sealing and insulation for doors and windows with our specialized solutions. Our advanced sealants and adhesives offer excellent weather resistance, sound insulation, and thermal efficiency, providing a comfortable and energy-efficient environment.
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Roof and Gutter

Maintain the integrity of your roofs and gutters with our reliable solutions. Our range of sealants and adhesives offer strong bonding, water resistance, and long-term protection against leaks, ensuring a durable and watertight roofing system.
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Insulating Glass

Achieve energy efficiency and enhanced sound insulation with our insulating glass solutions. Our sealants and adhesives are specially formulated to provide reliable bonding and airtight sealing for insulating glass units, optimizing thermal performance and comfort.
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Automobile Industry

Addressing the needs of the automobile industry, our solutions offer reliable bonding, sealing, and protection for various automotive applications. From windshield adhesives to structural sealants, our products meet the stringent requirements of the automotive sector.
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Electric Vehicles Industry

Supporting the electric vehicles industry, our solutions provide advanced sealing, bonding, and thermal management solutions for battery packs, charging systems, and electrical components. Our products ensure safety, reliability, and longevity in the EV ecosystem.
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Prefabricated Building

Streamline construction processes and enhance efficiency with our solutions for prefabricated building systems. Our sealants, adhesives, and fillers are specifically designed to meet the unique requirements of prefabricated structures, ensuring strong and durable assemblies.
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Concrete Pavements

Ensure long-lasting and durable concrete pavements with our specialized solutions. Our sealants and adhesives offer excellent adhesion, weather resistance, and joint flexibility, minimizing cracking and enhancing the lifespan of concrete pavements.
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Flooring

Achieve high-performance flooring systems with our comprehensive range of solutions. From wood glue for parquet flooring to epoxy adhesives for industrial floors, our products provide reliable bonding, durability, and resistance to heavy traffic.
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Waterproofing Project

Protect structures from water damage with our reliable waterproofing solutions. Our sealants and membranes offer excellent water resistance and durability, ensuring effective waterproofing for basements, roofs, bathrooms, and other critical areas.
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Plumbing

Addressing plumbing needs, our solutions provide reliable pipe sealing, repair, and maintenance options. From pipe sealants to specialty adhesives, our products ensure leak-free connections, efficient plumbing systems, and long-term reliability.
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Sound &Heat Insulation

Enhance acoustic and thermal comfort with our sound and heat insulation solutions. Our products, including sealants and insulation materials, provide effective sound absorption and thermal insulation, creating a comfortable and energy-efficient environment.
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Passive Fire Protection

Ensure the safety of buildings with our passive fire protection solutions. Our fire-rated sealants and intumescent products offer reliable fire resistance, helping to compartmentalize and prevent the spread of fire in various construction applications.
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From Our Blog

MS Polymer Sealants: The Future of Construction Adhesives

Discover how MS Polymer Sealants outperform silicone and polyurethane adhesives with superior adhesion, durability, and paintability — ideal for weather-resistant construction and industrial bonding.

11 October 2025

5 Key Qualities to Look for in a High-Quality Sealant

Looking for the right sealant? Discover the 5 key qualities—like paintable, odorless & non-corrosive—that ensure easy application, durability, and a professional finish.

06 October 2025

Stop Making These Common Polyurethane Sealant Mistakes

Using polyurethane sealant wrong? Learn the top 5 common mistakes, from curing time to surface prep, and how to fix them for a professional, long-lasting result.

03 October 2025

Choose Tengyu Chemical, Your expert in sealant solutions.

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About Us

Tengyu Chemical (Longkou)Co., Ltd

Diversified Quality Product

The Core Technology Of Autonomy

PATENTS

PRODUCTS

TEAM

YEARS

Certified High-Performance Sealant

Application Solution

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