Zhuzhou Watt Carbide Co., LTD, ti o wa ni Zhuzhou, Hunan, China. Ni akọkọ o ṣe agbejade awọn ifibọ carbide, awọn ifibọ milling, awọn ifibọ gige carbide, awọn ifibọ cnc, awọn ifibọ titan carbide, awọn ifibọ okun carbide, awọn ọlọ ipari carbide, awọn irinṣẹ ọlọ ipari tungsten carbide ati bẹbẹ lọ. Titan inset olupese.