High-Quality Sandwich Panel 50mm Factories & Exporters

Innovative Thermal Insulation Solutions & Advanced Refrigeration Engineering

🏢 Shaanxi YuanShengHeTong: A Legacy of Excellence

Shaanxi YuanShengHeTong Refrigeration Co., Ltd. stands as a titan in the refrigeration industry, integrating cutting-edge manufacturing with comprehensive project engineering. Since our inception in 1996, we have transitioned from a local supplier to a global exporter, specializing in 50mm Sandwich Panels, high-efficiency condensing units, and turnkey cold chain solutions.

Our philosophy is rooted in E-E-A-T principles: Experience through decades of projects, Expertise in PIR/PU material science, Authoritativeness as a market leader in Northwest China, and Trustworthiness through rigorous QC and international certifications.

60,000+

Sqm Production Base

27+

Years Industry Experience

180+

Professional Workers

10+

QC Specialists

🚀 Technology Roadmap & Future Outlook

🔬 Next-Gen PIR Core

Our transition from PUR to PIR (Polyisocyanurate) ensures superior fire resistance (Class B1) and lower thermal conductivity (λ ≤ 0.019 W/m·K), defining the next standard for 50mm insulated panels.

🤖 Factory 4.0 Integration

Utilizing fully automatic split-joint production lines since 2018, we achieve micron-level precision in panel interlocking, eliminating thermal bridges and maximizing airtightness.

🌱 Sustainability & Eco-Efficiency

By 2023, our factory moved to an eco-friendly model, using pentane-blown foam technology that is 100% CFC-free, contributing to global Carbon Neutrality goals.

🛡️ Cam-Lock Innovation

Our proprietary cam-lock systems provide structural integrity and rapid assembly, reducing on-site construction time by up to 40% for modular cold rooms.

⛓️ Supply Chain Resilience

Strategically located in Shaanxi and Lanzhou, we ensure stable raw material sourcing and logistics efficiency to serve the entire Eurasian land bridge.

📊 AI-Driven QC

Incorporating real-time visual inspection and thermal imaging sensors on our 2020 automatic lines to ensure zero-defect output for every batch.

🌍 Macro Industry Solutions

Pharmaceutical & Life Sciences

Precision temperature control is vital. Our 50mm panels provide the thermal stability required for vaccine storage (2°C to 8°C) and ultra-low temperature bio-banking, compliant with GSP standards.

Agricultural Cold Chain

From "Farm to Fork," our integrated refrigeration systems optimize the shelf-life of fruits and vegetables. We provide one-stop solutions including evaporators and condensing units.

Mega Logistics & Data Centers

Our large-scale workshops produce high-strength panels capable of supporting the immense structural requirements of automated high-bay warehouses and high-heat data centers.

Retail & Hospitality

Supplying major supermarkets and hotels with aesthetically pleasing, high-performance exterior wall panels that combine energy efficiency with modern architectural design.

Our Development Milestones

1996

Founder initiates refrigeration marketing and installation services.

2006

First Shaanxi factory operational; production of cam-lock panels begins.

2011

Lanzhou factory completed, dominating the Northwest China market.

2012

Relocation to 120-acre facility with 8 advanced workshops.

2018

Introduction of the first fully automatic split-joint production line.

2020

Second advanced automatic line commissioned for higher efficiency.

2023 - Present

Pioneering eco-friendly manufacturing and international smart-refrigeration standards.

🛡️ Quality Assurance & Global Compliance

Our products are backed by ISO certifications and stringent internal audits. Each batch of 50mm Sandwich Panels undergoes density tests, fire resistance trials, and dimensional precision checks by our 10-person QC team.

Frequently Asked Questions (FAQ)

What are the primary benefits of 50mm Sandwich Panels?

50mm panels offer an ideal balance between space-saving and thermal insulation. They are perfect for partition walls in food processing plants and small to medium cold storage units where temperature ranges between -5°C to 10°C.

How do PIR and PU core materials differ?

While both offer excellent insulation, PIR (Polyisocyanurate) provides significantly better fire resistance (Class B1) and structural stability at higher temperatures compared to standard PU (Polyurethane).

Do you offer international shipping and on-site support?

Yes, we are a leading exporter with dedicated logistics partners. We provide full project design, installation manuals, and remote technical support for international clients.

Can these panels be customized for specific R-values?

Absolutely. While 50mm is standard, we can adjust the foam density and surface material (Stainless steel, PPGI, etc.) to meet your specific thermal resistance requirements.

What is the lead time for a large-scale order?

Thanks to our automated Industry 4.0 production lines, we can maintain high output. Standard orders usually ship within 15-20 days after technical confirmation.

Are your products compliant with environmental regulations?

Yes, our 2023 green initiatives ensure all foam agents are eco-friendly and compliant with the Montreal Protocol on substances that deplete the ozone layer.