Ningbo IDA Shaft Co., Ltd. Add:No. A8 Xingma Road Yaoxi Industrial Zone, Mazhu Town, Yuyao City, Zhejiang ProvinceTel:86-574-62460908 62450929Fax:86-574-62468288E-mail:zhoutq@idashaft.com sale@idashaft.comUrl:http://www.idashaft.com