01 / Overview1
ABOUT CHANGTONG
Company overview, product families and the industrial applications supported by Changtong’s silica materials.
Overview
ABOUT CHANGTONG
Silica Powder Manufacturer with Material Expertise and Customized Solutions
Lianyungang Changtong Silica Powder Co., Ltd. manufactures crystalline silica, fused silica, cristobalite, ultrafine and surface-treated silica materials for electronics, casting, refractories, ceramics, coatings, plastics, rubber and adhesive applications.
Established in 2009 in Lianyungang, Jiangsu, China, Changtong supports industrial buyers with raw-material selection, purification, grinding, classification, particle-size control, surface treatment and quality verification.
ABOUT US
Silica Powder Manufacturer for Industrial Applications
Explore Changtong’s company profile, material expertise, manufacturing process, quality approach, customization support and international supply service. Each section explains how we help buyers evaluate silica materials for a defined application.
Jump to section
02 / History2
OUR STORY
Our development since 2009 and the processing experience behind crystalline silica, fused silica and cristobalite grades.
History
03 / Profile3
Company Profile at a Glance
Key company facts, material scope and the information buyers should confirm before requesting a quotation.
Profile
04 / Standards4
OUR STANDARDS
How material identity, particle size, chemical data, documentation and application fit guide product selection.
Standards
05 / Capabilities5
OUR CAPABILITIES
Raw-material selection, purification, grinding, classification, particle-size control, surface treatment and quality verification.
Capabilities
06 / Global6
GLOBAL SUPPLY & SERVICE
Specification review, sampling, export documentation and logistics coordination for overseas industrial buyers.
Global service
OUR STORY
Focused Silica Manufacturing Since 2009
Since 2009, Changtong has developed a focused silica-materials business in Lianyungang, Jiangsu, serving industrial buyers that need clear specifications and application-fit guidance.
Our portfolio includes crystalline silica, fused silica powder and sand, cristobalite, ultrafine silica and surface-treated silica. We connect raw-material selection with purification, grinding, classification, particle-size control, surface treatment and quality verification so buyers can evaluate
BY THE NUMBERS
Company Profile at a Glance
A concise view of Changtong’s company history, silica material families, core material systems and documented quality approach. Confirm the current TDS, COA and SDS for grade-specific technical details.
- 2009
- Established
- Established in 2009 in Lianyungang, Jiangsu, China, with a focused business in silica powder and related silica materials.
- 6
- Core Product Families
- Crystalline silica, fused silica, cristobalite, ultrafine silica, surface-treated silica and fused silica sand.
- 3
- Material Systems
- The core families are crystalline silica, fused silica and cristobalite; grades remain application- and specification-dependent.
- ISO 9001
- Quality System
- Our documented quality approach supports production control and customer review; request current quality documents for the selected grade.
OUR STANDARDS
Quality Principles Behind Our Silica Materials
Our quality principles connect product identity, measurable specifications and application fit. They are intended to help buyers review the right documents and make a responsible grade comparison.
01
Material Consistency
Keep material identity and batch information clear, then review current COA, TDS and SDS documents for the grade under consideration.
02
Clear Specifications
Use particle size, chemical data, surface treatment status and other confirmed specifications to define the purchasing requirement.
03
Application Focus
Evaluate silica powder against the real process, including electronics, casting, refractories, ceramics, coatings, plastics, rubber and adhesives.
04
Flexible Solutions
Discuss particle size, specification and surface-treatment needs with the Changtong team so the quotation reflects the intended application.
OUR CAPABILITIES
The capabilities behind our silica materials.
From raw-material selection to shipment, Changtong organizes silica material work around traceable specifications, application fit, controlled processing and practical buyer communication.
Material Selection
Review silica identity, intended application, particle-size needs and documentation before selecting crystalline silica, fused silica, cristobalite or related grades.
Product Customization
Discuss particle-size ranges, specifications and surface-treatment requirements for the process and performance target being evaluated.
Application Support
Connect silica material selection with electronics, casting, refractories, ceramics, coatings, plastics, rubber, adhesives and other industrial uses.
Reliable Supply
Coordinate sampling, current technical documents, quotation details and logistics information for qualified industrial purchasing discussions.
GLOBAL SUPPLY & SERVICE
Silica Materials for International Industrial Buyers
Changtong supports overseas industrial buyers with specification review, sampling, quality documents, export coordination and logistics communication.
Our international service is built around clear product identity and practical purchasing information. Buyers can discuss intended application, particle size, surface treatment, packaging, current TDS, COA and SDS availability, and sample requirements before requesting a quotation. Shipping and dest