Direct manufacturer pricing from Donghai County Nivra Quartz Products Co., Ltd. Every substrate, tube, and vessel is batch-tested for extreme thermal, optical, and chemical tolerances.
Constructed from high-purity SiO₂ (≥99.99%) for metallurgical melting, chemical ashing, and continuous high-temperature thermal cycling up to 1100°C.
Slot-machined clear fused silica boat for silicon/sapphire wafer diffusion, etching, and chemical vapor deposition (CVD) in semiconductor cleanrooms.
Micro-bore capillary tubing with tight dimensional tolerances (±0.01 mm), ideal for fiber-optic communication ferrules, chromatography, and medical fluidics.
Solid round quartz ingots and rods offering precision cutting, end-face optical polishing, and bending services for heavy-duty industrial fabrications.
Engineered quartz structural components flame-welded and CNC-machined to client CAD models for specialized chemical reactors and furnace supports.
Optically transparent, chemically inert Petri vessels designed for UV sterilization, high-acid biological cell culture, and university scientific research.
Precision calibrated test tubes formulated to endure rapid thermal shock and cryogenic nitrogen environments during specific surface area (BET) material testing.
JGS1 / JGS2 optical grade polished fused quartz substrate sheets (surface roughness Ra < 0.5 nm) for thin-film coatings, photolithography masks, and laser optics.
Why leading industrial fabrication and research laboratories in Phnom Penh choose Nivra Quartz fused silica substrates over conventional soda-lime and borosilicate glasses.
Unlike commercial float glass, Nivra Quartz fused silica is produced by melting natural crystalline quartz or synthetic silicon precursors, yielding an amorphous structure with virtually zero thermal expansion and extraordinary dielectric resistance.
| Characteristic Property | Nominal Metric Value | Industrial Implication |
|---|---|---|
| Chemical Purity (SiO₂) | ≥ 99.99% - 99.999% | Eliminates heavy-metal ionic migration |
| Continuous Service Temp | 1100 °C (2012 °F) | Withstands high-temperature furnace tubes |
| Peak Short-Term Temp | 1450 °C (2642 °F) | Thermal stability during CVD plasma spikes |
| Softening Point | 1683 °C | Superior structural rigidity under load |
| Thermal Expansion (CTE) | 5.5 × 10⁻⁷ / °C (20–300°C) | Zero cracking during water quenching from 1000°C |
| Dielectric Strength | 25 – 40 kV/mm | Optimal RF substrate for electronics packaging |
Selecting the exact quartz grade prevents expensive over-specification while ensuring transmission fidelity across deep ultraviolet (DUV), visible, and infrared (IR) spectrums.
| Grade Classification | Spectral Bandwidth | Primary Application |
|---|---|---|
| JGS1 (Synthetic Fused Silica) | 185 nm – 2500 nm (Deep UV) | Excimer laser windows, photolithography masks, UV-C water treatment cells. Bubble-free grade. |
| JGS2 (Optical Fused Quartz) | 220 nm – 2500 nm (UV-Visible) | High-precision sight glasses, high-intensity discharge lamps, optical flat substrates, furnace viewports. |
| JGS3 (Infrared Fused Silica) | 260 nm – 3500 nm (Low OH) | Infrared spectroscopy, thermal pyrometry inspection windows, missile/aerospace sensor covers. Hydroxyl < 5 ppm. |
| Industrial Fused Quartz | 300 nm – 2000 nm (Visible-NIR) | Semiconductor wafer boats, furnace process tubes, crucibles, thermocouple protection sheaths. |
As Cambodia's capital transforms under the Industrial Development Policy (IDP), Nivra Quartz delivers mission-critical thermal and optical infrastructure across Phnom Penh's major economic corridors.
Electronics assembly plants in the Royal Group Phnom Penh Special Economic Zone (PPSEZ) leverage our ultra-flat quartz glass substrates for wire-bonding carriers, sensor encapsulation, and high-frequency RF dielectric insulating plates.
Cambodia has emerged as a premier solar export hub. We supply large-diameter quartz diffusion furnace tubes, quartz paddle boats, and crucibles used for continuous silicon crystallization and PECVD passivation processes in manufacturing facilities surrounding Phnom Penh and Kandal Province.
Supplying scientific quartzware (Petri dishes, beakers, spectrophotometer cuvettes, and vacuum BET tubes) to esteemed institutions including the Royal University of Phnom Penh (RUPP) and Institute of Technology of Cambodia (ITC) for advanced materials and chemical engineering curricula.
Municipal water upgrades and beverage/pharmaceutical plants in Phnom Penh rely on high UV-C transmission (≥90% at 254 nm) fused silica protection sleeves and reactor chambers to eliminate biological pathogens without chlorination residue.
Precision automation facilities along the Veng Sreng Boulevard and National Road corridors utilize our scratch-resistant double-sided polished JGS2 optical discs as protective sight glasses on automated inspection cameras and thermal pyrometry lines.
Phnom Penh's expanding agro-food testing laboratories and diagnostic clinics implement our synthetic fused quartz cuvettes and microfluidic substrates for high-accuracy UV-Vis spectrophotometry, ensuring stringent export compliance for Cambodian agricultural products.
How infrastructure enhancements and international manufacturing shifts are reshaping the demand for China-sourced high-spec quartz glass substrates across Cambodia.
Under Cambodia’s Industrial Development Policy (IDP), Phnom Penh’s manufacturing sector is transitioning away from labor-intensive apparel toward high-precision electronics, solar PV assembly, and semiconductor testing, generating an unprecedented demand for high-temperature fused quartz infrastructure.
The operational Phnom Penh–Sihanoukville Expressway, coupled with direct maritime shipping from Shanghai and Lianyungang, has cut raw material freight transit times down to 8–12 days, making just-in-time factory-direct inventory replenishment from Nivra Quartz extremely cost-effective.
Cambodian export products destined for EU and North American markets necessitate strict component traceability. Phnom Penh quality auditors increasingly require verified raw material purity reports (glow discharge mass spectrometry - GDMS) confirming SiO₂ purity ≥ 99.99%.
Rather than dealing with fragmented suppliers across Europe or North America, engineering procurement teams in Phnom Penh favor integrated suppliers who offer simultaneous production of custom CNC quartz plates, diffusion tubes, crucibles, and sapphire windows under one audit umbrella.
Headquartered in Donghai County, Jiangsu — the world-renowned "Capital of Crystal and Quartz" — Donghai County Nivra Quartz Products Co., Ltd. combines geological raw material control with advanced precision manufacturing.
Situated in Donghai County, we directly access pristine silica vein deposits, keeping raw material costs low and ensuring exceptional raw purity (SiO₂ 99.99% to 99.999%) without supply chain intermediaries.
Equipped with 5-axis CNC machining centers, ultrasonic core drillers, double-sided optical lapping tables, and oxyhydrogen glass-lathes capable of fabricating complex CAD/STEP geometries to ±0.01 mm.
Specialized export packaging protocols: each quartz substrate is sealed in dust-free peel film, cushioned in multi-density shock-absorbing EPE foam, and enclosed in fumigated wooden crates with tilt/impact indicators.
We provide full documentation including Certificates of Origin (Form E / RCEP), enabling Cambodian importers to benefit from 0% to preferential low-tariff customs clearance under China-ASEAN bilateral trade agreements.
Everything your engineering and supply chain teams need to know regarding shipping routes, tolerances, customs duties, and local climatic resilience.
From our manufacturing hub at 285 Heping East Road, Lianyungang, Jiangsu, we offer two primary logistics paths for Cambodian delivery:
1. Air Freight (3–5 business days): Dispatched from Shanghai Pudong (PVG) or Zhengzhou (CGO) directly to Phnom Penh International Airport (PNH). Ideal for urgent quartz wafer substrates, capillary tubes, and optical flats.
2. Multimodal Ocean Freight (8–14 days): Consolidated shipping from Lianyungang/Shanghai port to Sihanoukville Autonomous Port (PAS), followed by container transit via the Phnom Penh–Sihanoukville Expressway directly to your factory or SEZ bonded warehouse.
Standard silicate or borosilicate glasses undergo hydrolytic weathering in high-humidity climates (relative humidity > 80%), causing sodium/potassium ion leaching that results in surface haze and micro-pitting. In contrast, Nivra Quartz fused silica has an amorphous network of pure silicon-oxygen bonds with virtually zero alkali fluxing agents. It demonstrates zero water absorption (< 0.01%) and remains completely inert, maintaining optical transparency and surface flatness (Ra < 0.5 nm) across Cambodia's wet monsoon season.
Yes. As a verified Chinese exporter, Nivra Quartz provides official Form E (ASEAN–China Free Trade Certificate of Origin) as well as RCEP documentation. For most quartz glass components categorized under HS Code 7002 (quartz glass tubes/rods) and HS Code 7017 (laboratory or industrial glassware), the application of Form E significantly reduces or entirely waives the Cambodian import duty, leaving only standard local VAT during General Department of Customs and Excise (GDCE) clearance.
We routinely produce custom quartz substrates according to engineering drawings in DWG, DXF, PDF, or 3D STEP formats. Our standard manufacturing thresholds include:
• Thickness Tolerance: Down to ±0.02 mm (ultra-thin wafers from 0.15 mm thickness up to heavy blocks > 50 mm).
• Dimensional Tolerance: ±0.05 mm on laser/CNC cutting; ±0.01 mm on optical grinding.
• Surface Quality: Scratch-dig 40/20 or 20/10 (MIL-PRF-13830B), double-sided optical polishing with Ra < 0.5 nm.
• Flatness: 1 to 2 lambda (λ) per inch, or λ/4 for precision optical interferometer windows.
We maintain an exemplary zero-breakage track record over hundreds of overseas shipments. Every item undergoes a 4-layer defense packaging system: (1) peel-off static-protective film, (2) individual bubble sleeves or vacuum-formed trays, (3) high-density shock-absorbing EPE closed-cell foam inserts, and (4) reinforced exterior cartons fitted into heavily banded plywood or fumigation-free wooden crates. Critical optical discs include external "Fragile" and "This Side Up" sensors to guarantee careful handling by freight forwarders.
We actively support university research teams at RUPP/ITC and pilot testing lines in the Phnom Penh SEZ. Standard quartz tubing, crucibles, and discs have an MOQ of just 1 to 10 pieces for evaluation. For custom-machined micro-wafers, precision cuvettes, or specialized capillary parts, MOQs typically begin at 20 to 50 pieces, with scalable volume tiered discounts for container-load scheduled mass manufacturing.
Send us your technical drawings, purity specifications, or dimensional requirements. Our senior quartz processing engineers will review manufacturability, optical transmission curves, and lead-time schedules within 5 hours.