D&D FAQ

Q:What certificate you have?

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

Q :  Do you accept OEM or ODM?

A:  Yes, We are professional in OEM and ODM.  Now , we are cooperating with famous brands for OEM & ODM.

Q:Do you have quality system?

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

Q:How do you manage the quality of the door?

A:Every set of doors we produce has its own ID number. Once the QC finds a problem with the door, he immediately knows which process and which worker it is.

Q:  What's the guarantee of your products?

A :  10,0000/20,0000 circle service life guarantee.. 

Q:  What’s the steel you are working now?

A:  We are working mostly in Stainless Steel,Cold rolled Steel,Galvanized Steel, SUS304 and SUS201, can be SUS316 as well.

Q:  Could you send me sample before I place an order?

A: Yes, offer 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 professional and one of the largest door manufacturer in China. It has been focusing on manufacturing steel door, fire door, wooden door for 20years.

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. Zonle Doors offer not only doors but also door project Solution. 

Q: How long is the delivery time?

A:  Delivery time is 15-30days, depend on the order product and quantity. Steel door and fire door between 15-25days, wooden door is 25-35days.

Q: How about your production capacity?

A:  The annual production capacity is 8.2million pieces metal steel door, fire doors and wooden door. The daily capacity is over 20,000sets of doors.