1. Chinese Standard for handle door lock
The handle door lock in Chinese standard is possessed with the anti-theft safety function,and it has been tested more than 100000 times.And it is usually applied in the external door with anti-theft requirements and low frequency of use,and its price is about 400 to 600RMB.
2. European Standard for door lock handle
The middle-range  European standard lock has been tested more than 300000 times,and its fireproof lock has reached to the standard of DIN 18251,the non-fireproof lock has arrived to the standard of DIN 18250.And the handle door lock which is used on the fireproof door has reached to the standard of EN 1634 1h..This kind of handle door lock is usually used to the door with higher safety and higher frequency of use and the commercial door with medium strength.And its price is about 400 to 900 RMB.
The top-range European handle door lock has been tested more than 500000 times,it can satisfy every standards ,such as the one in middle-level European standard.It is usually used to the door control systems with high strength ,high security  and high frequency  of  the  public buildings,engineering and maintaining .And its price is about 700 to 1500RMB.
3. The door lock handle in American standard
The middle-range American handle door lock has tested more than 400000 times,which reaches to the related requirements in American.And if it is used on the fireproof door ,it should be passed the 3h fireproof test.Generally used in the residential doors with high security and the commercial doors with high frequency of use.The price fluctuates from 500 to 800 RMB.
The top-range American handle door lock has tested more than 800000 times,which has reached to ANST 156 the first class standard in America.Like the middle-range handle door lock,it has passed the 3h fireproof test.And it is ordinary to see in the door with high security and high frequency in the public buildings,and its price is more than 1000 RMB.
Thus,it is very clearly that the European standard and American standard is higher than the Chinese standard.But in opinion,the Chinese standard handle door lock can be satisfy the safety requirement of normal family.