Purchase Qty. Reference FOB Price
100-999 Meters US$2.90
1,000-9,999 Meters US$2.50
10,000-19,999 Meters US$2.20
20,000+ Meters US$1.80
Product Description
1.The world's advanced oil quenching and continuous tempering technologies extremely improved the hardness of the tooth and the wear resistance of backing material,which made those 2 different materials into perfect performance. 2.Special heat-treatment technology solved the problems of knife bend ...