Description
Jiangsu Shuangzheng Machinery Co.,Ltd. is specializing in standard and non-standard slewing bearing. Over the years, we supplied high quality product & good service to every end user and valued distributors all over the world. We’ve enjoyed a very good reputation up to now.
We have strict quality control system in our own factory, meanwhile, we have passed ISO9001-2008 Quality System Certification and JG/T67-1991,JB/T2300-1999 with our country’s engineering & machinery standards.