Min. Order Reference FOB Price
20 kg Negotiable
Product Description
ZZJG Tungsten carbide valve ball and valve seat: Product Description 1,The grade details of Tungsten carbide valve ball and valve seat: P.S.: If u wanna other grade details,feel free to contact me directly,then I will email you our full grade details. Grade Density HRA TRS YG6 (K20) ...