Switchboard:+86 10 63751701
Customer service:+86 10 63751701
Sales:+86 10 63751701
Fax:+86 10 58411668
Mail box:sale@cortech.cn
Room 511, No. 5 Haiying Rd., Science City, Fengtai Dist., Beijing, China
Cortech Drilling Equipment Co.,Ltd.
ICP证:京ICP备15060286号-1