Shanghai Companion Precision Ceramics Co., Ltd. is a professional high precision ceramic manufactory integrating research, development, and production. Our main produces are zirconia ceramic, wearable ceramic, insulating ceramic, spin ceramic, single hole, lacunaris ceramic, ceramic tube, and other special type ceramic. They are widely used in ceramic gas nozzles for TIG, ceramic ferrules for stud welding, power, metallurgical, chemical, mining, textile, and machinery industry. Its main feature is the high mechanical strength, excellent wear resistance, good insulation, heat-resistance, corrosion resistance, and superior environmental performance. Its hard wear (HRA 86%), corrosion resistance, abrasion resistance strength of the steel 5mm several times, transtensional 130NM torque, transtensional 40N/mm intensity, medium - and long-term high temperature at 250 degrees. Impact load performance, low cost, long life, can significantly improve the efficiency and cost-effectiveness. Welcome worldwide customers.