Manufacturer of cheese head screws, self-lift combination screws, self-breakthrough bolts, triangle screws, retreat-stopping screws. It was established in 1991 and has passed the ISO 9001 International Quality Management System Certification. Its products can produce in accordance with GB、ISO、DIN、ANST、BS、JIS etc these international standards.

.cheese head screws, self-lift combination screws, self-breakthrough bolts, triangle screws, retreat-stopping screws