Stoutness Group is one of the China's leading manufacturers of door hardware including handle sets. Knobs, levers, deadbolts, and door accessory hardware for residential and light commercial applications. The group was founded on May 23, 2003 with a registered capital of RMB 152 million Yuan. It comprises 8 lock enterprises in wenzhou among which 4 of them have received the national title of lock king in China. Apart from these 8 enterprises, Stoutness Group has 28 satellite factories and over 150 cooperative factories. This strong -strong association is becoming the most competitive lock-making "aircraft carrier" in China's lock industry.