Changying Sports Goods Co., Ltd. Yiwu City, Zhejiang Province, established in 1996, through a decade of development, has now become a professional manufacturer in the field of fitness equipment, such as power twisters, chest developers and jump ropes. Among them, the sales volume of power twisters and chest developers under "Shuanglin" brand has been in leading place for several successive years in China. We always adhere to the tenet of "quality foremost", and we are exerting ourselves to create a good brand image. At the same time, we attach much importance to the research & development of new products. Now, our company has gained many patents and passed ISO9001:2000 international quality system certification in 2001. Based on high quality, honesty and competitive price, we sincerely welcome customers from at home and abroad to contact and cooperate with us
