About Us
Newstart International Co., LTD

China’s Largest Sealant Manufacturer and Supplier.

Heading Separator

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

Our commitment: 

  • Uphold high-quality standards, maintain unwavering integrity.

  • Deliver exceptional service, ensure exceptional value for money.

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

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most dependable sealant supplier and partner — Newstart

Committed to innovation and excellence, Newstart continuously develops new products and customized sealing solutions to meet the diverse needs of global partners. Our product range includes silicone, MS polymer, and acrylic sealants—widely used in construction, automotive, solar, electronics, sanitary, and industrial applications.

Guided by the principles of high quality, integrity, and customer value, we deliver reliable products and professional services that exceed expectations. We aim to build sustainable, long-term, and mutually beneficial relationships with all our partners worldwide.

At Newstart, we believe that trust, quality, and innovation are the foundation for lasting success—and we are dedicated to becoming your most dependable sealant supplier and partner in growth.

200+ Employees

We have over 2,000 people working in production, R&D, and sales.

US$100 Million in Sales

Our sales target is to exceed US$100 million in 2024, and will be even higher in 2025.

300+ Customers

We have over 30,000 customers worldwide.

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.