Enterprise Engineering Directory & Sourcing Index

Wholesale Pallring Factories & Pricelist

Technical engineering guide, volumetric factory pricing formulas, Industry 4.0 production capabilities, and ISO/ASME compliant mass-transfer tower packing solutions.

Direct Sourcing Line A

Standard Industrial Filtration & Chemical Mass-Transfer Portfolio

Comprehensive manufacturing lineup spanning specialty ceramic media, tower internals, and catalyst substrates.

China Eco-Friendly PVC Laundry Ball

China Eco-Friendly PVC Laundry Ball | Reusable & Chemical-Free Cleaning Suppliers, Pricelist

High Surface Area Cordierite Alumina Honeycomb

China High Surface Area Cordierite / Alumina Honeycomb Ceramic Plate Monolith Substrate for RTO, Catalyst Support & Chemical Absorption Factories, Pricelist

Ceramic Proppant Bauxite Fracturing Media

Wholesale High Strength Ceramic Proppant Bauxite Fracturing Media for Oil and Gas Well Manufacturers, Factory

Metal VSP Ring Tower Packing

Wholesale Metal VSP Ring Tower Packing Manufacturer, Factory

Stainless Steel Metal Teller Rosette Ring

Wholesale High Wear Resistance 304 & 316 Stainless Steel Metal Teller Rosette Ring Flower Shape Tower Packing 25mm 38mm 50mm Supplier, Pricelist

99 Alumina Inert Ceramic Ball

China 99%AL2O3 Inert Alumina Ceramic Ball Manufacturer, Supplier

Ceramic Pall Ring Tower Packing

Wholesale Ceramic Pall Ring Tower Packing Manufacturers, Factory

Refractory Ceramic Ball

Wholesale High temperature resistance ceramic refractory ball Manufacturers, Suppliers

Smart Manufacturing Ecosystem

China Factory 4.0: Supply Chain Resilience & Precision Efficiency

Operating from Pingxiang, Jiangxi Province—the world's premier chemical packing industrial cluster—Pingxiang Zhongtai Environmental Chemical Packing Co., Ltd. combines raw material proximity with high-speed automated progressive stamping and robotic extrusion systems.

2003
Year Established
65,000+
m³ Annual Capacity
±0.02mm
Stamping Precision
100%
Batch Metallurgical Traceability

Automated Progressive Stamping

For metal pall rings (SS304, SS316L, Carbon Steel), high-speed continuous punching presses deliver flawless internal tongues, open cylinder walls, and zero burrs, avoiding flow maldistribution under high liquid loads.

Continuous Tunnel Kiln Sintering

Ceramic pall rings and inert balls utilize micro-processor controlled 1400°C tunnel kilns to guarantee crystalline phase purity, uniform thermal shock endurance, and negligible water absorption rates below 0.5%.

Polymer Compounding Line

Custom resin formulations incorporating 100% virgin PP, PE, PVDF, and PTFE combined with anti-oxidants and UV-stabilizers to prevent environmental stress-cracking in severe corrosive vapor environments.

Transparent Industrial Economics

Wholesale Pallring Pricelist & Technical Benchmark Guide

Factory-direct bulk rates are computed on real-time LME metal indices, virgin polymer resin indices, energy consumption metrics, and volumetric packaging efficiency.

Nominal Size Material Class Specific Surface Area Void Fraction (%) Bulk Density (Approx.) Indicative Price (USD/m³)
16 mm (5/8") Stainless Steel 304 340 m²/m³ 93% 360 kg/m³ $980 – $1,250
25 mm (1") Stainless Steel 304 / 316L 220 m²/m³ 94% 250 kg/m³ $750 – $1,050
38 mm (1.5") Stainless Steel 316L 150 m²/m³ 95% 190 kg/m³ $680 – $920
50 mm (2") Polypropylene (Virgin PP) 110 m²/m³ 90% 65 kg/m³ $220 – $380
50 mm (2") PVDF / PTFE High Performance 110 m²/m³ 90% 120 kg/m³ $1,450 – $2,100
25 mm (1") Chemical Grade Ceramic 190 m²/m³ 72% 650 kg/m³ $320 – $480
50 mm (2") Chemical Grade Ceramic 100 m²/m³ 78% 540 kg/m³ $280 – $420

*Pricing fluctuates according to London Metal Exchange (LME) spot rates and FOB/CIF seaport logistics terms. Technical data sheets (TDS) and Mill Test Certificates (MTC 3.1) are furnished alongside every commercial dispatch.

Future-Ready Engineering

Technical Roadmap & Macro Industry Solutions

Addressing next-generation chemical separation challenges through fluid dynamic simulations, hybrid material synthesis, and decarb-driven process efficiency.

Decarbonization & CCUS Systems

Engineered for Post-Combustion CO₂ Capture and Amine Scrubbers. Optimized Pall Ring geometries reduce specific pressure drop by up to 28%, significantly decreasing operating reboiler energy penalties in massive 10-meter diameter gas stripping absorption columns.

Severe Corrosive Acid Processing

For wet sulfuric acid plants, SO₂ drying towers, and hydrochloric gas absorption, our ceramic pall rings incorporate high-crystallinity cordierite-mullite networks that guarantee zero deterioration under boiling acid contact up to 1000°C.

Refinery Vacuum Fractionation

Replacing legacy bubble cap and sieve trays with metallic 316L/304 Pall Rings increases hydraulic column throughput by over 40% while preventing localized stagnant zone formation, foaming, and fouling in crude distillation revamp projects.

Compliance, QA & Risk Mitigation

Global Procurement Criteria & Localized Regulatory Assurance

Meeting the strict technical specifications demanded by global EPC contractors, engineering bureaus, and multinational plant operators.

Stringent Metallurgy Standards

All alloys conform strictly to ASTM A240/A240M and EN 10088. Comprehensive Positive Material Identification (PMI) testing using calibrated XRF spectrometers verifies that nickel, chromium, and molybdenum thresholds align with 3.1 certification.

Regulatory Certification

Full conformance to European REACH regulations, RoHS III hazardous substance directives, and ASME Boiler & Pressure Vessel technical packing guides. Non-toxic polymer formulations meet FDA standards for food and pharmaceutical solvent handling.

Export Logistics & Site Delivery

Heavy-duty, weather-resistant PP woven super-sacks (jumbo bags with inner moisture liners), fumigation-free ISPM-15 heat-treated plywood crates, and shrink-wrapped palletization for complete moisture-proof and drop-proof handling across international sea lanes.

Technical & Procurement FAQ

Engineering Questions Answered by Chemical Specialists

Everything process engineers and procurement officers need to know when sizing, ordering, and validating Pall Rings.

What geometric design factor gives the Pall Ring superior mass transfer over Raschig Rings?
Unlike solid-walled Raschig rings, the Pall Ring features an open-wall matrix with inward-projected curved internal tabs (tongues). This design dramatically increases the accessible internal interfacial surface area, eliminates dead spaces, and encourages rapid droplet coalescing and re-distribution. Liquid hold-up is minimized, and vapor pressure drop decreases by 40% to 50% across equivalent volumetric beds.
Which material selection is ideal for halogen gas scrubbers versus hydrocarbon distillation?
Halogen-rich services such as wet chlorine, chlorine dioxide, and hydrobromic scrubbers cause catastrophic chloride stress corrosion cracking (SCC) in standard austenitic stainless steels. These environments demand Polyvinylidene Fluoride (PVDF), PTFE, or chemical ceramic media. In contrast, high-temperature crude fractionation and aliphatic hydrocarbon stripping operate beyond polymer thermal stability limits and require Stainless Steel 304, 316L, or alloy steels (such as Hastelloy and Monel).
How does bulk bed density and wall thickness influence column structural support requirements?
Nominal wall thickness directly impacts dry bed weight and crushed bed tolerances. For instance, a 50mm SS304 ring has an indicative dry density of 175-190 kg/m³, while equivalent ceramic rings weigh roughly 540 kg/m³. During flooded operation or localized upsets, hydrodynamic load doubles. Support plates, catalyst grids, and bed limiters must be calculated using full operational hydraulic loading margins according to ASME Section VIII pressure vessel structural formulas.
What documentation and inspection protocols accompany factory shipments from Zhongtai?
Every production batch leaves Pingxiang Zhongtai with comprehensive traceability documentation: Mill Test Certificates (EN 10204 3.1) showing metallurgical heat chemistries, mechanical crush strength and dimensional tolerance inspection logs, Certificates of Origin (CO), and customs clearance dossiers. Third-party testing by international agencies (such as SGS, BV, and TÜV) can be arranged prior to loading.
Can bespoke sizes or proprietary slot geometries be stamped to engineering specifications?
Yes. With fully equipped in-house tool and die design engineering departments, our Pingxiang manufacturing base routinely produces custom stamping dies for specialized diameters, modified tongue configurations, and non-standard metal gauges. Rapid tooling turnaround allows prototype validation runs within 14-21 days from CAD approval.
Direct Sourcing Line B

High Performance Tower Internals & Advanced Ceramic Filtration Media

Engineered to deliver high surface contact, minimal pressure drop, and exceptional mechanical longevity across petrochemical, casting, and environmental facilities.

Cordierite Honeycomb Ceramic Substrate

Wholesale Cordierite Honeycomb Ceramic Substrate (Catalyst Carrier/Monolith) for Automotive Exhaust & Industrial VOC Purification Manufacturer, Factories

SIC Ceramic Foam Filter

China SIC Ceramic Foam filter For metal filtration Suppliers, Factories

High Porosity Ceramic Foam Filter

China High Porosity Ceramic Foam Filter (Alumina / SiC / Zirconia) 10-60 PPI for Foundry Molten Metal Filtration Manufacturer, Factories

Alumina Grinding Ceramic Ball

China High Wear Resistant Alumina Grinding Ceramic Ball Media for Ball Mill Manufacturer, Manufacturers

Stainless Steel Metal Support Grid

Wholesale 304 316L Stainless Steel Metal Support Grid / Tower Packing Support Plate for Packed Columns & Catalyst Bed Support Suppliers, Quotes

Super Raschig Ring RSR

China High Capacity 304 & 316 SS Metal Super Raschig Ring (RSR) for Low Pressure Drop & Efficient Mass Transfer Factories, Pricelist

Metal Super Raschig Ring Packing

China Metal Super Raschig Ring Tower Packing Factory, Factories

Catalyst Carrier Cordierite Honeycomb

Wholesale Catalyst carrier cordierite honeycomb ceramics for DOC Factories, Quotes