China Professional manufacturer Frameless secret doors wood veneer invisible flush wooden concealed hidden room invisible door

We, Doorwin, as manufactrure, are focusing in high-end solid wood, aluminum & wood windows and doors, which has the capability( 50,000 square meters per year) of design and production with a full range of professional production lines. Our Germany imported equipment to make sure the precision to 0.1mm gap. And we have NFRC, CE international certification for exporting our products to Europe, North America etc.
Doorwin as a windows, doors specialist in China, is qualified to supply you a wide range of windows & doors products. Doorwin has been dedicated to creating a unique and cost effective solutions for your building and has successfully undertaken projects throughout China.
Doorwin strives to achieve timely delivery, superior quality and innovative products to meet every client's needs and expectations.
Let us be your choice and we won't let you down.

1. who are we?
We are based in Shandong, China, start from 2018,sell to North America(00.00%),Oceania(00.00%),South America(00.00%),Central America(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
PVC Window,Vinyl Window,UPVC Window,Aluminum Door and Window,Thermal Break Aluminum Door and Window,Metal Door and Window,Solid Wood Door and Window,Wood Aluminum Composite Door and Window,Wood Alu Clad Door and Window,Security Door and Window,Fire Rated Window,Hurricane Window,Sun Room

4. why should you buy from us not from other suppliers?
Doorwin is positioned to offer the finest value in quality tilt-turn windows. We seek to make durable, energy efficient and beautiful products accessible to all budgets. We strive to provide the best customer service experience with a dedicated design an

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,DDP,DDU,Express Delivery,DES；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Korean