We,Zhong Yi Metal Manufactory , have been specializing in mortise handle locksets , knob sets and other kinds of locks for many years. We have three factories including surface-treatment, all the working procedures including finishes are made by ourselves.We have passed ISO 9001 Quality Authentication in 2001,there are strict quality-controling in every working procedures.Not also we supply high-quality products to our customers but good services.Our principle is "All for customer, For customer's all, For all customer". As for marketing,we mainly export to USA and Middle-East , we are looking for long-term business relationship in your area.If you are interested to be sole agent ,please do not hesitate to contact me.