Ningbo Nanhaizhongzhou Piping Co.,Ltd (The original name is Kam Hin Mechinery Manufacturing Co.,Ltd ) was founded in 2000 and locates in Ningbo with great convenience in transportation. Zhongzhou Piping specializes in the production of a variety of products, which include stainless steel welded pipes,stainless steel punching pipes, Stainless steel elbow, Automobile muffler, Automobile exhaust pipe, Automobile tail pipe and etc... The specifications :Steel grade:201,304,316L,409 etcpipe diameter: ?6.0-?160, Thickness :0.35-2.0 mm.