Sichuan Natu Technology Co., Ltd. is committed to CVD coating technology and product development and sales, its research and development technology has won a number of national patents. The CVD diamond wc coated drawing dies developed have a long service
Rotary Driling SwivelRotary drilling swivl, or drilling swivel, is the core equipment of rig rotating equipment.Our product is compliant with API 8C, and with quality guarantee of up to 12 months.