Hui Hesing Advanced Tech Material Co. Ltd is the main authorized distributor of Siemens products. We have been certified as a System Integrator of Industry Sector , Siemens Ltd., China. It is located in Ningbo Hi-tech Zone of Zhejiang ,China.It has achieved the ISO9001:2000 quality management system certification. We hope to cooperate with all customers from both domestic and abroad for further development together. All Siemens products can be quoted to you, whether any item is displayed on our website or not, only if you send us the inquiry with the specifications or technical information.