中文
The Link to What's Next
As China's top limestone company, we are traders, engineers, and designers—partnering with clients to shape the world's most enduring spaces. Trusted by architects and developers worldwide, we turn materials into lasting excellence.

Established in
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Our Story
From our beginnings in Shanghai, China in 2005 to our global presence today, our company has experienced steady growth and expansion. With our headquarters now in Nantong and over 1,000 employees worldwide, we have continuously evolved to enhance our expertise in stone manufacturing, sustainable materials, global shipping, and material laboratory testing.
“Across borders and industries, we collaborate to redefine what's possible.”
—— Zhilai Xie
Chairman of Chaoshi Group

Our Value
Each step of our journey has strengthened our commitment to delivering excellence, innovation, and sustainability, building a legacy that shapes the future of natural stone and sustainable materials for the world.
About Chaoshi
Chaoshi Group is one of the world’s largest stone companies and China’s leading limestone enterprise, widely recognized as the “Leader in Limestone.” With decades of deep engagement in the natural stone industry, the company has built an integrated, end-to-end value chain spanning quarry operations, logistics and transportation, processing and manufacturing, and terminal sales.
On the international front, Chaoshi Group owns limestone quarries, state-of-the-art processing facilities, and a dedicated freight company in Europe—establishing a seamless operational framework from material sourcing to global logistics. This vertically integrated, self-managed supply chain enables the Group to offer a comprehensive one-stop service encompassing direct quarry sourcing, overseas processing, international shipping, and domestic distribution, ensuring consistent product quality and reliable delivery.
In its core business, Chaoshi Group specializes in the systematic development and application of exterior wall limestone. Its portfolio features a wide range of premium limestone varieties, including Vratsa Limestone, Portugal Beige, Moca Cream, Myra Limestone, Riyadh Limestone, Venato Limestone, Turkish Limra, and Akmersan Stone.
Today, Chaoshi Group maintains a broad network of subsidiaries and quarry assets across multiple countries, underpinning its global resource presence. The company’s facilities cover a total area of over 500,000 square meters, and it employs a workforce of more than 1,000 professionals. Through nearly 20 direct sales outlets and large-scale modern production bases, the Group has solidified its leadership position in China’s exterior wall stone market.
Limestone Products
As one of largest stone companies in the world and China's leading limestone company, Chaoshi Group offers a diverse portfolio of premium limestone varieties sourced from our own European quarries and global supply network. Our product range includes:
- Vratsa Limestone
- Portugal Beige
- Moca Cream
- Myra Limestone
- Riyadh Limestone
- Venato Limestone
- Turkish Limra
- Akmersan Stone
- Chauvigny Limestone
- Croatia Limestone
- Albania Stone
Each variety is carefully selected for its aesthetic consistency, structural integrity, and suitability for exterior wall applications. Backed by our vertically integrated supply chain—from quarry ownership to in-house logistics—we ensure strict quality control and reliable delivery for projects of any scale.
Our limestone has been specified in landmark projects across China and around the world, reflecting the trust that leading architects, developers, and contractors place in our materials. From iconic civic structures to prestigious commercial and residential developments, Chaoshi limestone delivers enduring beauty and performance.
Chaoshi Limestone Quarry
Chaoshi Group holds a strategically advantaged position in the global limestone industry through its ownership of and exclusive access to world-class quarry assets.
At the core of our resource portfolio is the Vratsa Quarry in Bulgaria, recognized as one of the world's finest limestone sources. Through an exclusive collaboration with Predsednik Ltd—the owner of Bulgaria's premier Vratsa limestone—Chaoshi Group holds the exclusive operating rights to this quarry. Vratsa Limestone sourced from Chaoshi Quarry has been featured in numerous landmark architectural projects worldwide, a testament to its exceptional quality, consistency, and aesthetic appeal.
Beyond our owned quarry assets, Chaoshi Group serves as one of the world's largest purchasers of limestone, maintaining long-term partnerships with quarry owners across Europe, Africa, Asia, Australia, and the Americas. This extensive procurement network enables us to offer the most comprehensive selection of limestone varieties available in the industry.
By combining exclusive access to top-tier quarries with unmatched global sourcing capabilities, Chaoshi Group continues to strengthen its leadership position in the limestone industry, delivering the highest quality products to clients around the world.
Chaoshi Factory
As a designated limestone supplier to numerous international luxury brands, technology enterprises, and government projects, Chaoshi Group is committed to delivering exceptional product quality and service excellence. To uphold this promise, we operate two strategically positioned, state-of-the-art manufacturing facilities. Each factory is equipped with advanced machinery, staffed by highly trained professionals, and dedicated to producing stone products that meet the most exacting international standards.
Nantong Factory
Established in 2016, the Nantong factory serves as the heart of our global stone operations. This facility combines advanced processing technology with unparalleled material expertise, enabling us to execute complex projects with precision and consistency. As the central hub of our manufacturing network, it plays a pivotal role in ensuring seamless coordination across our global supply chain.
Shuitou Factory
Located in Shuitou—the world-renowned stone industry hub—our Shuitou facility spans 35,000 square meters. The factory is equipped with a robust array of advanced machinery, including five large frame saws and two imported cable cutting machines, supported by a specialized technical team. This infrastructure enables efficient, high-volume production while maintaining the strict quality standards that define the Chaoshi brand.
Together, these two manufacturing facilities form the operational backbone of Chaoshi Group, empowering us to deliver superior limestone products to clients worldwide—from luxury showrooms to landmark infrastructure projects.
Engineering Expertise
At Chaoshi Group, technical excellence is integral to our commitment to quality. Our engineering team comprises graduates from top universities around the world, bringing together diverse expertise and a deep understanding of stone material science. We actively participate in international rock and stone forums, staying at the forefront of industry innovation, and collaborate with leading universities on research initiatives that advance the application of natural stone in architecture and construction.
Beyond material supply, we offer specialized engineering services to support our clients throughout the project lifecycle. A core component of this capability is our rock testing services, which are essential for determining the strength, durability, and structural performance of stone materials. These services provide the technical foundation for establishing accurate design parameters in development projects, ensuring that every material selection is backed by rigorous scientific analysis.
Using advanced testing methods, we analyze fundamental rock properties to deliver critical insights that support informed decision-making and contribute to successful project outcomes. Our testing capabilities encompass a comprehensive range of parameters for all stone materials, including:
- Young's Modulus
- Unconfined Compressive Strength
- Strength Testing
- Moisture Content
- Water Absorption Rate
- Abrasion Resistance Test
By combining world-class engineering talent, active industry engagement, and advanced technical services, Chaoshi Group ensures that every project benefits from the highest level of material expertise and engineering rigor.
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