We introduced domestic and foreign high-quality steel, manufacturing standard piece include Chinese national standard (GB;T), the world industry standard (ISO), German standard (DIN), British standard (BS), American standard (ASTM;ANSI), Japanese standard(JIS;B) and etc. On the other hand,we provide series of machinary machining service on sample machine parts, tool parts and non-standard parts. Furthermore, we offers surface treatment such as lackoxide, phosphatizing, zincplating, hot-dipping zinc, Dacromet, Geomet, Magni, Nylon patch, chromeplating,nickelplating and so on.
Material: Carbon Steel ,Stainless Steel and etc.
Disc Spring Washers
:JB/ZQ 4010-2006 ; JIS B 1251-2001 ; NF E 25-510-2008 ; NF E 25-104-1978 ; UNI 8737; DIN 6796-1987; GB/T 1972-1992; DIN 2093-1992; ISO10670; DIN 6908-1990 ; DIN 9025 UNI 8737 ;