70，000 sqm factory, 1000,000 yearly output for trusted manufacturing.
Manufacturing Excellence
26 years of vertically integrated manufacturing.
In-house production ensures superior quality and long-term reliability.
Engineering Excellence
In-house R&D meets global strict standards.
CE/AHRI/ErP/EUROVENT certified for high efficiency and quiet comfort.
Quality Excellence
Full-process standardized quality inspection.
Consistent performance and reliable global operation.
Our History Of Development
Launch of a new 70,000 sqm modern factory
New production base fully put into operation.
Cooperated with world-renowned HVAC testing institute for full product optimization.
National standard FCU laboratory completed.
Awarded national technological certification.
Participated in formulation of China FCU national standard
Cooperated with Zhejiang University on intelligent production renovation.
New East China production base fully put into operation.
Automatic sheet metal production line launched and mold factory acquired.
Commenced overseas export business
Attained ISO9001 Quality Management certification
Founded Taizhou Yilaide Air Conditioning Equipment Co., Ltd.
The 1 Gen. 4-way cassette FCU launched
Specialized in high-precision HVAC components
Vertically Integrated Production Base
Our vertically integrated in-house facilities cover tooling, sheet metal and final assembly. We maintain full control over every production stage to ensure consistent, reliable quality across all products.
- Tooling Plant
- Sheet Metal Production Workshop
- Final Assembly Production Workshop
- Foaming Workshop
Performance Testing Center
Our advanced testing centers simulate extreme conditions to guarantee global standards.
- Thermal Efficiency Testing
- Acoustic Comfort
- Durability & Safety
- Transportation test
Committed To Global Standards & Sustainability
DERK strictly adheres to international compliance standards to ensure that both our products and processes are sustainable.
WELCOME TO DERK FACTORY
Seeing is believing. We welcome global sourcing teams, engineers, and brand directors to our facilities.
Built to Print. Scaled with Precision
We provide the manufacturing muscle for your finalized designs. Benefit from our massive capacity to lower unit costs, with guaranteed blueprint adherence and strict IP protection.
Co-Engineered for Your Local Market
Partner with our R&D team to craft unique fan coil units tailored to regional energy regulations. We co-engineer everything from thermodynamic performance to your brand's industrial design.
Why Brand Leaders Outsource To DERK?
Choose Derk to safeguard your supply chain and brand reputation.
Supply Chain Independence
100% in-house fabrication of core components (coils, sheet metal) shields your lead times from sub-supplier delays.
White-Label Quality Assurance
Traceable batches and AHRI/CE-compliant lab testing ensure flawless performance under your label.
Strict IP Protection
We operate under stringent Non-Disclosure Agreements to ensure your proprietary designs and market strategies remain exclusively yours.
Our Dedicated OEM Support Ecosystem
We provide a comprehensive suite of value-added services to ensure your brand goes to market smoothly.
Certification Assistance
We assist with documentation and testing to streamline CE, AHRI, or EUR certification under your brand name.
Custom Packaging & Literature
From branded export cartons to custom user manuals, we deliver products 100% ready for your distributors.
Dedicated Account Engineering
A dedicated, English-speaking project team ensures seamless communication and flawless execution of your specs.
Flexible Pilot-Run MOQ
Testing a new market? We support flexible MOQs for initial pilot runs to validate your units before mass scaling.