Established in 2003, As a China Concrete Bolts manufacturers and concrete screw suppliers with years of experience in producing high quality fasteners.
Yuanyang Fasteners engages in broad scopes of high quality products in American, German, Japanese and Astralian standards. The catalogue includes Concrete
screw Series, Products range from grade 2,grade 5 to grade 8 or DIN products range from class 4.8, 5.8，6.8, 8.8, 10.9 to class 12.9, with the diameter
M6~M30 with cold heading length up to 300m. Yuanyang Fasteners has already gained ISO 9001-2008 and ISO 14001-2004 System Certification. Yuanyang Fastener’s
wholesale Concrete Bolts have won high praise from domestic and foreign customers. At present, Yuanyang Fasteners has an annual output of nearly 8,000 tons
and has become a best-selling product in the US, Europe and the national market.