3D adjusting invisible 180 degree opening angle concealed door hinge hidden manufacturer

D&D Hardware offers a combination of products to suite the individual Building, meeting not only the Requirements for Design and Function, but also the desired Budget.

More door hardware items include:
1. Door Hinge- UL Listed UL10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2. Door Locks - CE EN12209 UKCA Fire Rated & UL 10C R40901
3. Stainless Steel Door Handles- BS EN 1906 Grade 4
4. Panic Exit Device- UL Listed R40486 & UL305 SA45817 & CE Certificate
5. Door Closer – CE BS EN 1154 & UL10C R40717
6. Lock Cylinder-BS EN1303
7. Glass Hardware / Bathroom Hardware

Q:What certificate you have?

A:We have CE and UL certificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.

Q :  Do you accept OEM or ODM?

A:  Yes, We are professional in OEM and ODM.  now , Cooperating with famous brands for OEM & ODM.

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.

Q:  What's the guarantee of your products?

A :  5 Year Mechanical Guarantee. 

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:  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:  Are your company factory or trading company?

A:  We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

Q:What is your payment terms ?

A:T/T, D/P, Western Union, L/C

Q: How can I get the latest prices?

A:  Send requirements to us by mail or calling , we will reply you in 24 hours. D&D offer not only door hardware product but also Door Opening Solution.