Grey Pattern Hero

Sealant Manufacturer

Neutral silicone, Acetate silicone, MS polymer, Acrylic
Newstart International Co., LTD

Rich Inventory

Wide selection of sealants in stock ensures fast delivery for all your industrial needs.

High-Quality Products

Manufactured with strict quality control for reliable adhesion and long-lasting performance.

Competitive Price

Factory-direct pricing helps you reduce costs without compromising on product quality.

Latest Inventory

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Discover our newest range of sealants ready for immediate shipment. Stay ahead of your project schedule — contact us today for the latest stock updates and quick quotations.

About Us
Newstart International Co., LTD

China’s Largest Sealant Manufacturer and Supplier.

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We have two factories, approximately 100000 square meters, and is known as one of the largest manufacturers in China. The production capacity is 20 containers per day.

  • Uphold high-quality standards, maintain unwavering integrity.

  • Deliver exceptional service, ensure exceptional value for money.

  • Prioritize long-term, collaborative, and amicable growth.

Need Help? Contact Us For Personalized Support.

why choose us

As China’s largest sealant manufacturer,
our brand (NEWSTART) sealants are very popular in more than 200 countries and regions around the world.

Reliable Quality

Each batch is tested to ensure strong adhesion, durability, and stable performance in all conditions.

Fast Delivery

With sufficient inventory and efficient logistics, we guarantee timely shipment for every order.

Competitive Pricing

Direct factory supply helps you save costs while maintaining premium product quality.

Professional Support

Our technical team provides quick responses and expert guidance for your specific sealing needs.

Our Customers

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Our customers are located in various countries and regions. Our NEWSTART brand is widely used in industries such as building curtain walls, doors and windows, automotive, bathroom fixtures, and industrial assembly.

Discover NEWSTART Sealants Near You.
Learn More About Us.

  • Kazakhstan

  • Bahrain

  • Spain

  • India

  • Pakistan

  • Mongolia

  • Mexico

  • United States

  • Algeria

  • Germany

  • Italy

  • Turkey

  • Canada

  • Uganda

  • Mozambique

  • Vietnam

  • France

  • Mozambique

  • Nigeria

Based on 4,500+ reviews

(Trusted Score 4.8 / 5.0)

Based on 4,500+ reviews

Trusted Score 4.8 / 5.0

A Large Factory Covering 100,000+ Square Meters.

You Can Rest Assured to Buying Our Sealants, Guaranteed Quality and Price.

100000+
Factory Covering 100,000 m2

We welcome your visit anytime

50+
50+ Production Lines

Guarantee timely delivery and inventory

1000+
1000+ Production Equipment

Ensuring product quality

100000+ m2 Factory Overview

Factories: 2 | Area: 100,000+ m2 | Production Lines: 60+

We have two factories across China, covering over 100,000 square meters and equipped with over 60 advanced production lines. We are certified by ISO9001, ISO14001, ISO45001, and SGS, among others.

Sealant production

Your needs, our standards

With our exceptionally flexible production capabilities, we tailor industry-leading solutions to meet every need! Our products have successfully expanded into the global market, with annual sales exceeding US$10 million and a 70% market share in China.

R&D and testing

We attach great importance to product research and development and quality control.

We have established four R&D centers across China and continue to collaborate with universities to establish research institutes, attract high-quality talent, and jointly develop higher-quality products.