Welcome to D&D HARDWARE INDUSTRIAL Co., Ltd . 
D&D, Leader in Commercial Door Hardware
Pls inquire to sales@danddhardware.com
//:+86 139 2903 7292
Home » FAQ


  • Q What certificate you have?

    A We have CE,UL and ANSI/BHMA cerfificate, all our product design follow up the international standardEuropean Standards& American Standards), such as the EN/CE, UL, ANSI standard. Suitable for education, healthcare, hospitality, residential and commercial applications.
  • Q What's your main market?

    A We has established long business relations with customers from EuropeMiddle East , America and Asia, benefit from quality assurance, expertise knowledge ,competitive pricing, customization ability and great service.
  • Q Do you have quality system?

    A Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.

    To ensure the material component follows the ASTM standard, D&D use spectrometer to check the stainless steel raw material before production.

    D&D use measuring tools to check the product in each procedure throughout the mass-production to ensure the dimension of product meet customer’s requirement.

     D&D arrange Quality control department in each step of the mass-production to ensure each production fulfill their duty to produce well-product.

    D&D use salt spray testing machine to test the product, to ensure it meet specific corrosion-resistance requirement.

     D&D test products on testing machine very often to ensure products meeting CE / UL / ANSI standard.

     D&D use 2D and 3D drawing to communicate with customer, which is clearly and accurately.
  • Q Can I have my box design and put my logo on the products?

    A Yes, sure. we can customize the box and put your logo according to your design for your order.
  • Q Do you accept OEM or ODM?

    A Yes, We are professional in OEM and ODM.
    We are cooperating with famous brands for OEM and ODM.
  • Q Could you send me sample before I place an order?

    A Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.
  • Q How long can I expect to get the sample?

    A Regular samples can be finished in 7 days,if for OEM samples will be 10 days to 15 days.
  • Q Can we be your distributor in our market ?

    A Yes,you can be our distributor for our brand - D&D HARDWARE - in your market.
  • Q What’s your delivery time?

    A For regular items, usually deliver within 30 days. For special items, take 40-50 days. We will update order status by mail.
  • Q What is the Minimum Order Quantity?

    A MOQ is 500 sets per item.
  • Q What's the guarantee of your products?

    A 5 Year Mechanical Guarantee.
  • Q How can I get the latest prices?


    Send requirements via email(sales@dndhardware.com), we will reply you in 24 hoursD&D offer not only door hardware product but also Door Opening Solution.

  • Q What’s the stainless steel Grade you are working now?

    A We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.
  • Q What is your payment terms ?

    A T/T, D/P, Western Union, L/C
  • Q Are your company factory or trading company?

    A We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.
  • Q Where is your factory located? How can I visit there?

    A We are located in Jiangmen city Guangdong province in China near Guangzhou and Shenzhen. About 2 hours drive from Guangzhou Airport. Welcome to visit us.
  • Q When we received your products, how should we do if we found problems ?

    A Please description of defect with pictures & quantity, and send us a report, that we can know the problems and check how to solve it. Be assure we are responsible for our quality and provide necessary support to our customers.
  • Q What is your loading port?

    A Jiangmen/ Guangzhou/Shenzhen/ 

Contanct Us

Get Famous Branded Quality at Factory Cost 12th Floor, Building 2, No.898, KeChuang Technical Zone,Jianghai Dist.Jiangmen City,Guangdong,China
   +86 139 2903 7292
   +86 139 2903 7292
  +86 139 2903 7292
 David Jian(Managing Director)
 Ms Judy(Financial / Account Dept. )


To get international branded quality at factory cost
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