Wenzhou Nanya automobile accessories Co.,Ltd.,founded in 1995,is a leading manufacturer that specializes in spun pulleys.We obtained ISO/TS16949:2002 Certificate in 2005. Spun pulleys are made of steel plate by spin.It has more advantages than cast pulley in lighter weight,less material, more beautiful shape and lower price.It is the substitute product of traditional cast pulleys.It is more than 10 years that has been applying in China.Now spun pulleys are applyi