| Place of origin Changzhou.ChinaApplication Drilling, Trenching, Mining and Tunnelling, RecyclingCertification ISO9001:2008Material AISI4142 / 42CrMoPort of loading Shanghai Packing Wooden case or Iron case, Carton or Plastice box Minimum order 500 PCSPayment terms TT or L/CSupply ability 50,000 PCS/MonthDelivery time 4~8 weeksCompany agent core barrel tooth,roud shank tooth,welding bars,wall cutting tooth manufacturer and supplier.We have many years of research and production experience. Our products are exported all over the world for its excellent performance and stability, reasonable price, fast delivery, well received by national clients. Our technology and products are the head in the same industry.Core barrel tooth has big competitive. | 
