FAQs       Sewing Machines   Manual   Downloads   Video   Home Customer ServiceFAQs FAQs   Sewing Machines My machine is jammed. My machine is noisy. My stitches and feed are uneven. My seams are gathered / puckered. My stitches are too loose. My needle keeps breaking. My machine is skipping stitches. The upper thread on my machine keeps breaking. Home | About Us | Our Products | News & Events | Customer Service | Investor Relations | Contact Us Copyright © Zeng Hsing. All right reserved. Add : No.78, Yongcheng Rd., Taiping District, Taichung City 411, Taiwan, R.O.C. Tel : 886-4-22785177   　Fax : 886-4-22787013　 E-mail : sales@zenghsing.com.tw Designed by CREATOP