1
Are you a factory or a trading company?
Yes, DERCHI is a direct manufacturer. We operate a 70,000 m² modern manufacturing base with 600+ skilled employees and advanced production equipment. With over 25 years of experience, DERCHI is recognized as one of the largest aluminum door and window manufacturers in China, providing factory-direct solutions to global markets.
2
What are your main products?
Our core products include a full range of aluminum windows and doors, such as sliding doors, bifold doors, casement windows, lift-and-slide systems, and custom-made solutions for residential, commercial, and large-scale projects.
DERCHI has 700+ branded specialty stores across China and established dealers in the United States and Australia, serving clients worldwide.
3
How can I get a quotation from you?
Our pricing is based on your specific project requirements. To provide an accurate and competitive quotation, please share the following details:
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Project drawings, plans, or product schedules
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Frame color and surface finish
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Glass type and thickness (single, double, laminated, etc.)
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Glass specifications (clear, tinted, reflective, Low-E, with or without Argon)
Our technical team will evaluate your requirements and offer a customized solution.
4
What is your production and delivery time?
Standard production time is 25–35 days after receiving the deposit and final confirmation of drawings. For large-scale or customized projects, delivery schedules can be adjusted to meet your project timeline.
5
What warranty do you provide?
DERCHI offers a 10-year quality warranty covering product performance, materials, and manufacturing defects, ensuring long-term reliability and peace of mind for our clients.
6
What services do you provide after ordering?
We provide comprehensive technical support, including detailed installation videos, manuals, and online guidance. If required, DERCHI can also arrange experienced engineers for on-site installation guidance, ensuring smooth and professional project execution.
7
Are your products certified to international standards?
Yes. DERCHI aluminum windows and doors comply with major international standards, including NFRC (USA), AS2047 (Australia), CSA, and AAMA. If your project requires additional testing or certifications, we can arrange custom compliance and certification services to meet local regulations.
