Engineering Excellence from China's Quartz Heart
Kavri Quartz Product Co., Ltd. is a specialized, experienced manufacturer and trading enterprise located in Donghai, Lianyungang City, Jiangsu Province — celebrated worldwide as China's premier quartz crystal and fused silica industry cluster.
Leveraging deep local raw material reserves and seasoned precision glassblowing craftsmanship, we engineer and supply high-performance infrared heat lamps, halogen emitter tubes, and custom quartz glass components to industrial machinery manufacturers, research institutions, and replacement distributors across the globe.
All Kavri infrared lamps and quartz elements undergo rigorous thermal cycling, optical transmission, and dimensional validation. We ensure durable working life, uniform radiation density, and competitive direct-factory pricing for our international partners.
| Company Name | Kavri Quartz Product Co., Ltd. |
|---|---|
| Business Type | Manufacturer, Trading Company |
| Verified Platform Experience | 13 Years Join History (Onsite Verified) |
| Location & Province | Donghai, Lianyungang, Jiang'su, China |
| Staff & Workforce | 11 – 50 Specialized Technicians & Staff |
| Average Response Time | ≤ 4 Hours Rapid Engineering Support |
| Customer Response Rate | 92.65% Verified Response Performance |
| Buyer Reorder Rate | 16% Repeat Procurement Rate |
| Official Inquiries | [email protected] |
Core Product Portfolio
Combining high-purity SiO2 materials with precision vacuum, filament winding, and reflective coating technologies.
Near Infrared & Halogen Lamps
Short-wave halogen emitter tubes featuring tungsten filaments, engineered for instantaneous thermal transfer in PET bottle blow molding, automotive paint drying, and printing line processes.
Carbon Fiber Heating Lamps
Medium-wave emitters delivering gentle, highly uniform spectral absorption matched to water-based coatings, plastics thermoforming, composite curing, and comfort heating panels.
Quartz Glass Tubes & Plates
Precision-drawn transparent and opaque fused silica tubes, polished quartz plates, optical inspection windows, and rods offering superior thermal shock endurance up to 1100°C.
Laboratory Quartz Instruments
Custom-fabricated quartz flow cells, spectrophotometer cuvettes, combustion boats, high-temperature crucibles, and customized glass apparatus for analytical laboratories.
Custom Quartz & Crystal Parts
Bespoke optical quartz machining, flame-worked spiral heating tubes, flanges, and high-purity natural crystal accessories tailored to technical engineering schematics.
OEM Custom Design & Coating
Custom voltage/wattage matching, specialized gold reflectors, white ceramic backings, ruby low-glare coatings, and end-cap termination configurations for retrofit equipment.
Manufacturing Facilities & Production Floor
Operating dedicated production workshops equipped for quartz tube cutting, high-temperature torch sealing, filament vacuuming, and optical bench testing.
Factory Facility & Processing Plant
Our centralized manufacturing and processing base in Donghai, Lianyungang, facilitating direct processing from raw fused silica to finished optical goods.
Infrared Lamp Assembly & Exhaust Station
Specialized vacuum-exhaust benches and filament mounting lines maintaining inert gas purity and extended operating lifetimes across all IR tubes.
Precision Quartz Glass Processing
Dedicated flame lathe turning, grinding, and annealing ovens ensuring micron-level dimensional tolerances for tubes, plates, and laboratory instruments.
Trusted by Global Buyers Across Continents
Kavri Quartz Product Co., Ltd. supplies industrial heating elements and quartz components worldwide. Relying on regional logistics and port access in Lianyungang, we support FOB, CIF, EXW, and DDP trade terms with robust export drop-proof packaging.
Our clients rely on our fast quotation response (≤4 hours), flexible batch customization, strict pre-shipment quality verification, and dedicated post-sales technical assistance.
Looking for Custom Infrared Heating or Quartz Solutions?
Send your drawings, operating parameters, or lamp part numbers to our engineering team. We guarantee a professional technical proposal within 4 hours.