A Premier Supplier of Infrared Heating & Fused Quartz Solutions
Kavri Quartz Product Co., Ltd. is a highly specialized and experienced manufacturer of industrial infrared heat lamps, halogen lamps, carbon fiber emitters, and fused quartz glass products in China. Strategically situated in Donghai County, Lianyungang City, Jiangsu Province—globally renowned as the capital of crystal and high-purity quartz processing—we leverage unparalleled local mineral resources, advanced production engineering, and a skilled workforce.
For more than a decade, our engineering and production teams have focused on delivering robust, energy-efficient, and long-lasting optical and thermal products. By combining professional industrial designs with ultra-pure raw quartz materials, we manufacture custom-tailored solutions for machinery builders, automated production lines, and research institutions across Germany, the Netherlands, Japan, South Korea, the United States, and over 30 other countries.
Direct manufacturer backing: 92.65% buyer response rate, average response time ≤ 4 hours, and full OEM/ODM precision capabilities from technical drawings or prototype samples.
- Company Name
- Kavri Quartz Product Co., Ltd.
- Business Type
- Manufacturer, Trading
- Location
- Jiangsu, China
- Year Established
- 2014 (13 Yrs Member)
- Total Workforce
- 11 – 50 People
- Annual Revenue
- Below US$1 Million
- Response Time
- ≤ 4 Hours
- Buyer Response Rate
- 92.65%
- Seller Reorder Rate
- 16% – 22%
- Key Markets
- Europe, Americas, Asia
Core Manufacturing Capabilities
Our production facilities maintain strict quality controls, producing high-performance optical and thermal elements suited for harsh industrial environments.
Infrared Heating Emitters
We engineer short-wave halogen lamps, carbon fiber medium-wave lamps, and ruby low-glare tubes that provide instantaneous thermal transfer with up to 90% radiant efficiency.
- Halogen Short-Wave & Twin Tube Emitters
- Carbon Fiber Medium-Wave Heaters
- Gold-Coated & Half-White Ceramic Reflectors
- Tailored Leads, Ceramic Caps & Voltages (12V–480V)
Precision Fused Quartz Glass
Utilizing high-purity silica sand (>99.99% SiO2), we produce thermal shock resistant and optically transparent quartz glass components engineered to strict tolerances.
- Clear & Opaque Fused Quartz Tubes (OD 1.5mm–450mm)
- High-Temperature Polished Quartz Plates & Discs
- Solid Quartz Rods & Capillary Tubing
- High Optical Transmission across UV, Visible & IR bands
Lab Instruments & Custom Shapes
Specialized quartz glass fabrication for analytical chemistry, semiconductor furnaces, bio-medical equipment, and specialized optical instrumentation.
- Precision Flow Cells for Biochemistry Analyzers
- Quartz Crucibles, Boats & Combustion Tubes
- Custom Flanges, Spiral Coils & Sight Windows
- CNC Cutting, Drilling, Grinding, and Flame Welding
Factory & Workshop Tour
Inside our specialized manufacturing plant in Lianyungang, where precision glassworking machinery and strict thermal testing ensure dependable performance.
Manufacturing Facility
Our standardized production workshop located in Donghai County, complete with raw quartz processing and lamp assembly facilities.
Lamp Assembly & Exhaust Line
Specialized vacuum sealing, inert gas filling, and precision filament mounting ensure superior working lifetimes and shock tolerance.
Quartz Processing Station
Equipped for precision glass cutting, edge beveling, optical surface polishing, and high-temperature flame annealing.
Our Quality & Service Standards
Providing overseas buyers with full transparency, dependable product consistency, and dedicated OEM support.
Strict Quality Verification
Each production batch undergoes 100% checks for dimensional tolerances, filament concentricity, vacuum seal integrity, electrical power rating, and reflector coating durability before dispatch.
Full Drawing & Sample Customization
Whether you require replacement lamps for Heidelberg, KBA, or Sidel blow molders, or proprietary quartz glass components, our technical team turns drawings or physical samples into validated parts.
Export Packaging & Logistics
Quartz products are highly fragile. We employ multi-layer shockproof cushioning, individual custom sleeve tubes, and rigid wooden export crates, ensuring zero transit damage across air, express, or ocean freight.
Partner with an Experienced Quartz & IR Emitter Manufacturer
Looking for a reliable supply chain partner, replacement emitters, or customized quartz parts? Contact our technical team today for professional quotations and engineering reviews within 4 hours.
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