D&D BUILDERS HARDWARE CO. - D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

FAQ | Custom Glass Fittings and Handles for Doors – Premium Quality

Explore D&D's extensive glass hardware collection, featuring patch locks, hinges, and handles that combine security with aesthetic appeal, perfect for modern glass door installations. We have extensive and rich metal processing, plastic and rubber processing experience, such as: stamping, casting, die casting, forging, extrusion, CNC turning parts, Machining parts, plastic injection, rubber compression, transfer molding and injection molding. With more than 20 years experience, D&D is specialized in handling OEM projects and various industrial processes, such as designing, molding, plastic injection, rubber injection, metal machining, stamping, deep drawing pressing, forging, die casting, powder metallurgy, CNC machining and related fabrications.

FAQ | Top Supplier of Deadlocks and Security Door Hardware

FAQ | D&D Builders Hardware Co. located in Taiwan, is a professional custom hardware manufacturer with rich experience in producing the OEM/ODM door and window hardware, building hardware and automotive parts according to customers' individual needs and designs.

FAQ

Which types of doors does our SLIDEback suit?

Suitable for sliding aluminum doors, timber doors, glass doors, barn doors, or frameless glass door...etc

What type of hardware is suitable for securing a patio door leading to a pool?

The DL-01-PA LATCHback secures sliding patio doors at a child safe height, automatically engaging when the door closes to prevent unsupervised access to the pool.

What compliance and certifications do SLIDEback door closers have?

SLIDEback sliding door closers carry the CE certificate and are fully tested for 150,000 cycles to ensure maximum product durability.

Are SLIDEback door closers green-building certified?

We do not hold specific green building certifications, but our products are designed with sustainability. The SLIDEback series features a completely non-electric, energy-free mechanical design, offering an eco-friendly and cost-effective alternative to high-energy automatic sliding doors.

Do we accept OEM orders?

Yes, we accept OEM orders, from customer drawings or concepts, we design moulds, verify samples and mass-produce, and affix your brand label.

What manufacturing capabilities do we offer?

We provide stamping, die-casting, forging, extrusion, CNC turning, plastic injection, rubber moulding, etc., enabling full process from tooling to mass production.

Do we offer customised product development services?

Yes. We provide OEM and customised development services from concept to mass production, working closely with clients to turn ideas into practical and competitive solutions.

How does branding/logo customisation work?

Provide your brand/logo files, we will confirm placement and effect during sample stage, then proceed to mass production.

Can you directly discuss technical details with our team?

Yes. We support direct communication with our engineering team to ensure accurate specifications, efficient problem-solving, and smooth project progress.

How can you place an order or request a quotation?

You can email to our sales team at ddsales@dnd.com.tw with your product enquiries, specifications, quantities, and any required finishes.

What information do you need to provide the quote?

Please provide part drawings (2D/3D), material, quantity, surface treatment, etc., and we will evaluate the possibility of producing the item and organize the quote shortly.

What is the minimum order quantity (MOQ)?

MOQ depends on the complexity of the part. Please contact our sales team for specific figures.

How long does sample production take?

Sample production time depends on mould development, typically 4~8 weeks.

Are samples charged?

Before a formal order is signed, sample fee may apply, which can be deducted when batch production commences.

What is our production lead time for orders?

Lead time varies depending on the complexity of customization and order volume. Once you provide your specifications, we will quote a reliable timeline.

Do we provide customised packaging solutions?

Yes. We provide customised packaging solutions to enhance your brand value and strengthen your market image, from logo printing to export carton design.

Do we support global shipping?

Yes, we provide international logistics and support export to multiple countries.

What are our standard shipping terms?

For orders over USD 5,000, the shipping term is FOB Taiwan. For orders under USD 5,000, the shipping term is Ex Works (EXW).

How do we ensure quality?

We have rigorous quality control processes: incoming inspection, in-process inspection, final inspection, and we can provide 100% inspection or sampling reports per customer request.

How can customers report a product issue or quality concern?

Customers can contact our sales team by email and provide product photos, videos, order information, and a description of the issue. Our technical team will review the case promptly and provide suitable solutions.

What kind of after-sales support do we provide?

We provide comprehensive after-sales support, including technical consultation, installation guidance, troubleshooting assistance, and product performance evaluation. Our team is committed to helping customers resolve issues efficiently and ensuring long-term product satisfaction.

Do we provide replacement parts for defective products?

Yes. If a product defect is confirmed, we will evaluate the situation and provide replacement parts or appropriate corrective actions according to the project requirements and agreed terms.

How quickly can customers expect a response from our support team?

We aim to respond to all after-sales enquiries within 24–48 business hours. Complex technical cases may require additional evaluation, but we always keep customers informed throughout the process.

Do we offer continuous support after project completion?

Yes. We maintain long-term partnerships with our customers and continue to provide technical support, product updates, and assistance for future orders or product improvements.


FAQ | Advanced Electromagnetic Locks for Enhanced Security Solutions

D&D Builders Hardware Co., a premier Taiwanese manufacturer, specializes in high-quality hardware solutions, including door closers, exit devices, glass hardware, door locks, hinges, handles, and access control systems. Renowned for their innovation and quality, D&D products are crafted to enhance security, functionality, and aesthetic appeal in residential and commercial applications. With a commitment to safety and compliance, their UL-certified products ensure reliable performance and long-lasting durability. D&D Builders Hardware Co. continues to lead the market with cutting-edge designs and comprehensive door and window solutions.

D&D Builders Hardware Co. excels in providing exceptional service through comprehensive hardware solutions for doors and windows. Their dedication to customer satisfaction is evident in their tailored support, expert guidance, and extensive after-sales service. Offering a wide range of high-quality products, including door closers, exit devices, glass hardware, and access control systems, D&D ensures every client receives reliable, innovative, and secure solutions. Their commitment to excellence and industry standards positions them as a trusted partner in both residential and commercial sectors.

D&D has been offering customers high-quality door hardware manufacturing, both with advanced technology and over 20 years of experience, D&D ensures each customer's demands are met.