1.manufacturer of carbide buttons for oil-field drilling 2.quality guarantee and good price 3. the soonest delivery Contact us:Tel: 0086-731-28107372Fax: 0086-731-28335230Company name: Zhouzhou Gingte Cemented Carbide Co.,Ltd.Address: Yan jia gong Wu Zu, Guihua Village,Mingzhao Xiang,Hetang District, Zhuzhou City, Hunan Province, P.R.C. Postal code: 412000Manager: Mrs amenda liuMobile:0086(0) ...