01 / Overview1
ABOUT CHANGTONG
Company overview.
Overview
ABOUT CHANGTONG
Silica Powder Manufacturer for Industrial Applications
Changtong manufactures crystalline silica, fused silica, cristobalite, ultrafine and surface-treated silica materials for industrial applications.
Established in 2009, Changtong focuses on material selection, processing, particle size control and surface treatment to provide silica materials suited to different industrial requirements.
ABOUT US
Explore Changtong
Use this page guide to jump directly to our company overview, story, profile, standards, and manufacturing capabilities.
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02 / History2
OUR STORY
Our history since 2009.
History
03 / Profile3
Company Profile at a Glance
Key company facts.
Profile
04 / Standards4
OUR STANDARDS
Quality principles.
Standards
05 / Capabilities5
OUR CAPABILITIES
Production capabilities.
Capabilities
06 / Global6
GLOBAL SUPPLY & SERVICE
International market support.
Global service
OUR STORY
Focused Silica Manufacturing Since 2009
Established in 2009, Lianyungang Changtong Silica Powder Co., Ltd. manufactures silica powder and related silica materials for industrial customers.
Our range includes crystalline silica, fused silica powder and sand, cristobalite, ultrafine silica and surface-treated silica. Purification, grinding, classification, particle-size control and surface modification help us match materials to different process requirements.
BY THE NUMBERS
Company Profile at a Glance
Key facts about Changtong's experience, material portfolio and quality management.
- 2009
- Established
- Changtong has focused on silica materials and industrial applications since 2009.
- 6
- Core Product Families
- Our product range covers crystalline silica, fused silica, cristobalite, ultrafine silica, surface-treated silica and fused silica sand.
- 3
- Material Systems
- Our core material systems include crystalline silica, fused silica and cristobalite.
- ISO 9001
- Quality System
- Our documented quality management system supports consistent production and batch control.
OUR STANDARDS
Quality Principles Behind Our Silica Materials
Our ISO 9001 quality system emphasizes material consistency, clear specifications, application fit and practical customization.
01
Material Consistency
Consistent material characteristics and specifications help customers maintain stable processing and product performance.
02
Clear Specifications
Particle size, material type and key specifications should be clear and easy to evaluate before product selection.
03
Application Focus
We consider the customer's application and processing requirements when evaluating the right silica material.
04
Flexible Solutions
Different applications may require different particle sizes, specifications or surface treatments, so solutions should remain practical and adaptable.
OUR CAPABILITIES
The capabilities behind our silica materials.
Our capabilities support customers from material selection and specification to product customization and application-focused solutions.
Material Selection
Silica Materials We help customers evaluate crystalline silica, fused silica and cristobalite according to application and material requirements.
Product Customization
Particle Size & Treatment Particle size, specifications and surface treatment can be evaluated according to customer requirements and application needs.
Application Support
Industrial Applications We consider processing conditions and application requirements when helping customers select a suitable silica material.
Reliable Supply
Quality control, production planning and logistics coordination support stable supply and on-time delivery for customer needs.
GLOBAL SUPPLY & SERVICE
Silica Materials for International Industrial Buyers
Changtong supports overseas buyers with specification review, sampling, quality control, export documentation and logistics coordination.
Our silica materials serve customers in the United States, Brazil, India, the United Arab Emirates, Thailand and Türkiye. From initial inquiry to shipment, we help buyers confirm material type, particle size, packaging and application requirements before production.