China Custom Double Glazed Sliding Windows Manufacturers, Factory
Welcome to DERCHI Window And Door, your trusted partner for high-quality custom double-glazed sliding windows. As a leading manufacturer based in China, we pride ourselves on our state-of-the-art production facilities and skilled craftsmanship. Our sliding windows are designed to enhance the aesthetic appeal of your property while providing exceptional energy efficiency and durability. With a focus on innovation and quality, we offer a wide range of customizable options to meet your specific design needs and preferences, At DERCHI, we understand that global buyers seek reliable products that not only meet their standards but also exceed their expectations. Our commitment to excellence ensures that every window we produce undergoes rigorous quality control, guaranteeing superior performance and longevity. By choosing DERCHI, you're not just purchasing windows; you're investing in comfort, style, and security for your home or business. Partner with us today to discover how our custom double-glazed sliding windows can elevate your projects and meet the demands of your market
How To Double Glazed Sliding Windows Factory Exceeds Industry Benchmarks
In today's competitive market, the demand for high-quality, energy-efficient sliding windows has never been greater. Our state-of-the-art manufacturing facility, spanning 70,000 square meters in Foshan, Guangdong, stands out by exceeding industry benchmarks in quality and efficiency. With a dedicated workforce of 600 skilled employees and a remarkable annual production capacity of 300,000 square meters, we are equipped to meet the diverse needs of global buyers seeking reliable and premium products. Our factory is equipped with over 100 advanced pieces of machinery, allowing us to maintain stringent quality control while optimizing production processes. This commitment to excellence not only ensures superior products but also facilitates quicker delivery times, a crucial factor for purchasers needing timely project completions. By consistently delivering exceptional double-glazed sliding windows that meet the highest standards, we are proud to support businesses worldwide in their quest for reliable and aesthetically pleasing architectural solutions. Join us in setting new benchmarks for quality and efficiency in the industry!
How To Double Glazed Sliding Windows Factory Exceeds Industry Benchmarks
| Metric | Factory Benchmark | Industry Average | Exceeding Factor |
|---|---|---|---|
| Energy Efficiency (U-Value) | 1.2 W/m²K | 1.6 W/m²K | 30% Better |
| Sound Insulation (Rw) | 38 dB | 32 dB | 18.75% Better |
| Air Infiltration (L/m²/s) | 0.3 | 0.5 | 40% Better |
| Moisture Resistance (%) | 95% | 90% | 5.56% Better |
| Customization Options | 5 | 3 | 66.67% More |
How To find Double Glazed Sliding Windows Products Service Backed by Expertise
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John Anderson
The product quality is exceptional! I was impressed by the thorough support I received post-purchase. Highly recommend!
09 November 2025
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Jason Collins
Quality is excellent. The after-sales support personnel were highly professional and eager to assist.
20 November 2025
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Linda Johnson
I had a great experience with their support team. They were knowledgeable and guided me through the setup process seamlessly.
26 November 2025
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Sarah Anderson
I’m really impressed with the attention to detail in this purchase. The after-sales service team was incredibly knowledgeable and friendly.
04 January 2026
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Linda Brown
Fantastic product! The support team was responsive and answered all my questions with expertise.
05 January 2026
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Robert Davis
This product has been a game changer for us! The customer service was outstanding and very reassuring.
27 December 2025



