Ọkwa Alloy:Bronze Phosphor, Tin Bronze, Aluminom Bronze, Beryllium Bronze.
Nkọwapụta:Ọkpụrụkpụ 0.2-50mm, Obosara ≤3000mm, Ogologo≤6000mm.
Iwe:O, 1/4H, 1/2H, H, EH, SH
Etiti oge:10-30 ụbọchị dị ka ọnụọgụgụ.
Ọdụ ụgbọ mmiri:Shanghai, China.