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Cell phone:+86 139 2903 7292
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D and D provides a wide range of products for wooden and metal door applications.

such as Stainless Steel Door Hinges, Door Locks, Lever Handles,  Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.

The D and D door set product category covers mortice locks, European profile cylinders, lever handles and hinges. Since the dimensions of all these products comply with DIN standards (DIN 18251 for mortice locks, DIN 18252 for profile cylinders and DIN 18255 for lever handles), the products are compatible amongst themselves regarding their functionality. All parts of the functional units are also perfectly aligned with each other. 

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Door Knob Lock

As a professional door hardware supplier, we produce a variety of door knob locks and lever locks.They have two kinds of materials of stainless steel and zinc alloy.The door lockset and knobset suitable for wooden door,metal door,steel door etc..In addition, we can also provide deadbolt lock and thumb turn dead lock.If you are interested, please contact us.


  • Matte Black Zinc Alloy Door Knob Handle Lock-DDLK068
    Brand: D and D Hardware
    Product Code:
    Model: DDLK068
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Antique Copper Zinc Alloy Double Cylinder Door Knobset-DDLK053
    Brand: D and D Hardware
    Product Code:
    Model: DDLK053
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Pretty Zinc Alloy Exterior Door Knob with Lock-DDLK063
    Brand: D and D Hardware
    Product Code:
    Model: DDLK063
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Security Zinc Alloy Black and Gold Lockable Door Knob-DDLK042
    Brand: D and D Hardware
    Product Code:
    Model: DDLK042
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Antique Copper Door Knob with Lock and Key-DDLK052
    Brand: D and D Hardware
    Product Code:
    Model: DDLK052
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Antique Copper Lockable Door Knob Set-DDLK064
    Brand: D and D Hardware
    Product Code:
    Model: DDLK064
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Matt Black and Gold Finish Zinc Alloy Door Knob Lock-DDLK059
    Brand: D and D Hardware
    Product Code:
    Model: DDLK059
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Privacy Function Zinc Alloy Door Knobset for Bathroom-DDLK036
    Brand: D and D Hardware
    Product Code:
    Model: DDLK036
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Polished Finish Double Lock Door Knob-DDKL061
    Brand: D and D Hardware
    Product Code:
    Model: DDLK061
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • New Design Zinc Alloy White Ball Door Knob Lock-DDLK067
    Brand: D and D Hardware
    Product Code:
    Model: DDLK067
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Antique Copper Zinc Alloy Interior Door Knob with Lock-DDLK046
    Brand: D and D Hardware
    Product Code:
    Model: DDLK046
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Special Zinc Alloy Antique Copper Cylindrical Lockset-DDLK056
    Brand: D and D Hardware
    Product Code:
    Model: DDLK056
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Antique Copper Zinc Alloy Security Door Knob Lockset-DDLK049
    Brand: D and D Hardware
    Product Code:
    Model: DDLK049
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Antique Brass Zinc Alloy Door Knob with Lock and Key-DDLK040
    Brand: D and D Hardware
    Product Code:
    Model: DDLK040
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • New Design Zinc Alloy Door Knob with Deadbolt-DDLK033
    Brand: D and D Hardware
    Product Code:
    Model: DDLK033
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Pretty Zinc Alloy Antique Copper Door Knob with Lock-DDLK057
    Brand: D and D Hardware
    Product Code:
    Model: DDLK057
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Keyed Round Lock Set for Doors-DDLK048
    Brand: D and D Hardware
    Product Code:
    Model: DDLK048
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Antique Copper and Gold Finish Door Knobset-DDLK054
    Brand: D and D Hardware
    Product Code:
    Model: DDLK054
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Silver Zinc Alloy Round Door Handle Knob with Lock-DDLK041
    Brand: D and D Hardware
    Product Code:
    Model: DDLK041
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:
  • Zinc Alloy Antique Copper Bedroom Door Knobs with Lock-DDLK043
    Brand: D and D Hardware
    Product Code:
    Model: DDLK043
    Brief:
    D and D Tubular Lockset is characterized by outstanding design and sophisticated aesthetics.
    Certification:
    Material: Zinc Alloy
    Finish: CP,SN,PB,MB,PVD,AB,AC
    Color: Silver,Black, Golden, Antique Brass, Antique Copper
    Usage: Wooden Door, Metal Door, Interior Door, Outer Door, Fire Rated Door etc.
    Payment Terms: T/T, L/C, D/P, Western Union
    Port: Jiangmen /Guangzhou / Shenzhen , China
    Production Capacity: 200,000/Month
    Standard:

Contanct Us

  NO.4 Bidg,Street 33,West Gaoxin Rd,High-tech Zone,Jianghai Dist.Jiangmen City,Guangdong,China
 +86 139 2903 7292

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