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.

Lost Wax Casting | Taiwan Automatic Sliding Door Closers & Locks Hardware Manufacturer | D&D

D&D is a Taiwan high-quality hardware manufacturer of SLIDE back Sliding Door Closer, Self-Closing Door Closer, Deadlock, Exit Device, Glass Fitting, Deadlatche, Electromagnetic Lock, Floor Spring, Panic Device, Panic Bar, Deadbolt since 2002. 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. If the products what we produced do not meet your quality requirements, you do not need to pay. With more than 18 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.

Lost Wax Casting | Compact Sliding Door Closers & Glass Patch Lock Sets Manufacturer | D&D

Lost-wax casting | 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.

Lost-wax casting

Lost Wax Casting

Investment casting, Precision casting

Lost wax casting can achieve intricate works for stainless steel, brass, bronze, alloy, silver, and gold parts. It is widely used for different industries, building hardware, dentistry, art… since 6,000 years ago.

The normal process of the lost wax casting is as below for your reference, but it will be a little different based on the application or items requirements.

Design the Mold – Make the Mold – Produce wax patterns – Assemble the wax pattern – Apply investment material – Burnout – Pouring – Devastating – Finishing – Packing – Delivering

What are the benefits of Lax Wax Casting?
1. Accurate dimension
2. Apply on most metals
3. Complex parts are available
4. Net shape components
5. Save processing time
6. Suitable for hard metal

Any needs or questions, please feel free to contact us directly anytime. Thank you!


Lost Wax Casting | Compact Sliding Door Closers & Glass Patch Lock Sets Manufacturer | D&D

Based in Taiwan since 2002, D&D BUILDERS HARDWARE CO. has been a door closers and door accessories manufacturer. Our main self sliding and glass door hardware, include Slide Back Sliding Door Closers, Self-Closing Door Closers, Deadlocks, Exit Devices, Glass Fittings, Deadlatches, Electromagnetic Locks, Glass and Wooden Door Floor Springs, Panic Devices, Panic Bars and Deadbolts, which are TÜV Rheinland & UL certified.

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. If the products what we produced do not meet your quality requirements, you do not need to pay. With more than 18 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.

D&D has been offering customers high-quality door closer hardware, both with advanced technology and 15 years of experience, D&D ensures each customer's demands are met.