Precision Thermal Solutions & Quartz Engineering
Kavri Quartz Product Co., Ltd. is an established manufacturer and international exporter of high-precision infrared heat lamps, halogen lamps, and high-purity quartz glass products in China. Situated in Donghai Town, Lianyungang City, Jiangsu Province—celebrated worldwide as an epicenter for silica resources and crystal processing—our company leverages prominent regional advantages to deliver premium-grade thermal components at competitive global prices.
With an experienced technical engineering team and specialized manufacturing facilities, Kavri Quartz focuses on long-life durability, thermal shock resistance, and strict dimensional tolerances. We provide comprehensive OEM and ODM support tailored to machine builders, industrial automation suppliers, and scientific laboratories around the world.
Our engineered products are exported extensively to leading industrial markets including Germany, the Netherlands, Japan, South Korea, the United States, and emerging regional hubs across Europe, the Americas, and Asia.
Corporate Specifications
Manufacturing & Engineering Focus
Near-Infrared & Halogen Heat Lamps
Fast-response tungsten emitters designed for high-speed PET blow molding, automotive coating lines, paper drying, and thermoforming ovens.
High-Purity Fused Quartz Glass
Transparent quartz tubes, optical plates, and solid rods offering high thermal resistance (up to 1100°C), superior dielectric strength, and minimal thermal expansion.
Custom Lab & Precision Instruments
Flame-worked quartz apparatus, analytical flow cells, combustion boats, crucibles, and customized laboratory ware manufactured strictly to technical drawings.
Factory Facilities & Production Workshop
Direct view into our manufacturing plant in Donghai, exhibiting strict procedural control from raw quartz preparation through lamp assembly, filament winding, and final testing.
Headquarters & Assembly Plant
Located in the heart of Donghai quartz industrial cluster
Lamp Assembly & Sealing Line
Specialized quartz envelope evacuation and sealing workstations
Quartz Glass Processing & QC
High-temperature flame manipulation, cutting, and optical inspection
Direct Sourcing Advantage
Operating directly in Donghai guarantees continuous access to superior grade quartz crystals and silica sands, reducing material costs while assuring high silica purity (>99.9%).
Strict OEM / ODM Compliance
Whether configuring specific emitter filaments, applying directional reflective coatings (Gold or Ceramic Half-White), or custom-shaping quartz apparatus, we tailor every parameter to exact drawings.
Global Export Assurance
Every shipment is packaged in shock-isolated, export-rated wooden crates or fortified cartons, ensuring secure transit across Europe, North America, and Asia Pacific under flexible Incoterms.