Premium architectural and functional components engineered for global structural standards
The international commercial construction market is undergoing an unprecedented shift toward stringent environmental and sound-isolation standards. Mineral wool, commonly referred to as stone wool or rock wool, has emerged as the definitive material for high-performance thermal-acoustic applications. Designed with an intricate matrix of basalt fiber and recycled slag, mineral wool soundproofing material functions as an acoustic energy dissipator, converting sound wave energy into minimal heat through friction inside its highly porous structure.
As major metropolitan regions execute regulatory updates targeting ambient noise pollution and industrial safety (e.g., DIN 4109 in Europe and IBC Section 1206 in North America), global developers require high-density, dimensionally stable insulation. Mineral wool stands out by providing an exceptional NRC (Noise Reduction Coefficient) of up to 1.0, high-temperature resistance exceeding 1000°C (Class A1 Fire Rating), and long-term biological resistance. By partnering with direct-factory exporters, procurement managers secure custom-cut densities (from 40kg/m³ up to 160kg/m³) to satisfy precise mechanical load and high STC (Sound Transmission Class) assemblies.
A Wide World With Great Potential — Delivering Premium Building Materials Worldwide
We are a collection of industrial decoration building materials wholesale and home improvement private customization in one of the emerging trading companies, deeply plowing into the decoration building materials industry for 25 years. Under the visionary leadership of Ms. Zhang Xuedong, our founder, we have built a stable, cross-regional network of high-performance architectural component manufacturers.
Our service capabilities comprehensively cover three major application scenarios: wall systems, ceiling systems, and ground systems. Tangshan Haofa International Trade Co., Ltd. provides a structured catalog including light steel keel, gypsum board, mineral wool board, PVC wall board, premium hardware accessories, and custom furniture. We have established in-depth cooperation with hundreds of high-quality supply chain factories in China. This supply chain network spans more than 20 cities, serving nearly 3,000 customers globally and ensuring complete variety, quality stability, and superior value.
The company emphasizes the construction of corporate culture. Our corporate spirit is based on quality, wins by innovation, and is guaranteed by service. We encourage our employees to keep learning and making progress, providing them with broad development space and good welfare benefits. Our core concept is to let every employee be the master of the company and each employee be capable of handling things independently.
Our mission is to integrate the world's best building materials and design resources to provide a full range of personalized decoration solutions from industrial to residential, so that every customer can enjoy the convenience and dignity of exclusive customization and realize the desire for a better life. In the future, Tangshan Haofa International Trade Co., Ltd. will continue to uphold the principle of "once a deal, lifelong friends".
A trusted industrial partner ensuring security, compliance, and custom design capacity
We guarantee a 0% order default rate with customer interests prioritized above all. Every contract is backed by rigorous execution protocols.
Our building materials have passed CE, ASTM, EN, and RoHS international certifications. Fire resistance and sound insulation comply fully with EU/US/Southeast Asia standards.
Deep collaborations with hundreds of major production factories and long-term cooperative logistics providers guarantee a stable supply chain and a true one-stop procurement experience.
We supply customized product solutions and options for neutral packaging or custom corporate branding (OEM/ODM) to support global distributor positioning.
Offering flexible trade terms (FOB, CIF, EXW, DDP). Our dedicated professional team manages all aspects of customs declarations, marine logistics, and complete documentation.
Consistent communication via multi-language sales and customer service channels ensures real-time query resolution and global localized assistance.
Expertly combined building materials designed for high-performance structural requirements
Acoustic and thermal properties verified for global industrial applications
| Performance Index | Typical Specification Range | Test Methods & Standards | Engineering Implications |
|---|---|---|---|
| Density | 40 kg/m³ - 160 kg/m³ | ASTM C612 / EN 13162 | Lower densities optimize partition walls; higher densities mitigate low-frequency floor impact sound. |
| Thermal Conductivity | ≤ 0.034 - 0.040 W/(m·K) | ASTM C518 / EN 12667 | Provides superior thermal insulation alongside soundproofing, minimizing commercial HVAC loads. |
| Noise Reduction Coefficient (NRC) | 0.85 - 1.00 | ASTM C423 / ISO 354 | Ensures high-frequency acoustic absorption, preventing reverberation in public corridors. |
| Combustibility | Class A1 (Non-Combustible) | EN 13501-1 / ASTM E84 | Resists melting up to 1000°C; prevents flame propagation in mechanical shafts and high-rise structures. |
| Moisture Absorption | ≤ 0.5% (by volume) | ASTM C1104 | Hydrophobic fibers limit structural water accumulation, eliminating internal mold growth vectors. |
When engineering multi-occupancy structural partitions, selecting the appropriate density is crucial. Sound transmission loss in gypsum board assemblies is controlled by mass, stiffness, and internal cavity damping. While glass wool provides decent high-frequency absorption, mineral wool's higher bulk density matches wall frame impedances more effectively. This restricts structural vibration transmissions at the critical coincidence frequency range (2000Hz - 4000Hz). For commercial offices, a density of 60kg/m³-80kg/m³ is ideal, whereas industrial engine enclosures require 120kg/m³-160kg/m³ panels to handle structural low-frequency vibrations.
Versatile deployment scenarios across modern architectural and commercial projects
Our materials are certified to meet international standards for safety and performance
Connecting supply chain excellence with building material demands globally
We export globally and support distributors across these territories:
Innovating toward sustainable, carbon-neutral, and high-performance acoustic materials
Traditional binders utilize formaldehyde-phenol combinations. Next-generation mineral wool relies on bio-based starches and plant-derived binders, which reduce VOC emissions during installation to zero and comply with the most stringent indoor air quality certifications like GREENGUARD Gold.
By optimizing manufacturing lines to handle up to 70% industrial slag and recycled post-consumer waste, the carbon intensity of modern acoustic core products is reduced by 40%, aligning with LEED and BREEAM life-cycle assessment (LCA) requirements.
Infusing nanostructured silica aerogels into mineral wool substrates yields advanced insulation sheets. This integration lowers thermal conductivity and enhances sound isolation within thinner profiles, saving valuable floor space in high-density urban builds.
Embedded piezo-sensors allow structural testing teams to verify localized sound attenuation indices (STC) in real-time, validating fire barriers and mechanical insulation values inside structural drywalls.
Expert insights on acoustic specs, shipping standards, and localized deployment
Complete product range supporting commercial, administrative, and hospitality project specifications
Haofa