联系人：南龙
联系电话：135****1898;010****18013-216;
联系地址：北京市昌平区科技园区振超路1号
网址地址：www.donghuayuan.com; shop107288492.taobao.com; shop107288492.taobao.com; shop107288492.taobao.com; www.dhydata.com; www.dhydata.cn; www.jiankangxiaowu.cn; www.dongwhacare.com; www.donghuagroup.com;