Liaoning Kangdun Door Industry Group Co., LTd is located at Benxi city, which is known as "city of steel". We select qualified steel supplier and import high precision production equipment to make sure each door we made in good quality. Our factory has been certified with ISO 9001 Quality Management System Certification and our doors has passed China Compulsory Production Certification, SGS test and China Fire Control Product Approval. Our professional R&D team continuously design new types of steel doors every year. We put production quality over everything and that's why our steel doors popular in over 20 provinces in China and exported to many countries.