1. Combination of two rows of main pins and one special snake-shape curving keyway on the side face which is extremely difficult to copy;
2. Key Combination: 15, 000, 000;
3. Function of Pick-resistant;
4. Function of Anti-snap;
5. Qualified with grade B standard of security lock from the Ministry of Public Security of China;
6. Patented product of China.

Stoutness Group Co., Ltd was established in 2003 as a non-regional group company and one of the TOP 10 Lock Kings of China. The group consists of 7 lock enterprises including 4 lock kings of China, among which Wuzhou Group is the leading enterprise of the group.

We mainly produce handles on rose, handle on plate, cylinders, lock bodies, door konbs, door levers, deadbolts, hinges and door hareware ect. And can make new design as u needed, Also our products are at competitive price.