shenzhen longgang district poly up town

ShenZhen Smet Hardware&plastic Co., Ltd. is one of the largest suppliers in China, with more than 10 years&＃39; experience in hardware way ,Especially the lock cylinder ,with our self des...

Shenzhen Xunling Industrial Company Limited was established since 2010 which gradually developed rapidly in the screw and spring industry. Today, our products including screw, bolt and spring are wide...