The company’s Yangshi Taiji brand is specialized in manufacturing large hexagonal high-strength bolt connection pairs for steel structures, torsion-shearing high-strength bolt connection pairs for steel structures, steel grid bolts, for steel structure ball joints, steel structural bolts, welding nails, double head bolts, anchor bolts, various types of high strength fasteners are available. The result were tested by the Beijing Machinery Industry General Parts Product Quality Supervision and Inspection Center, Tianjin Construction Engineering Quality Inspection Center, Shandong University Materials Mechanics Laboratory and other authoritative departments.
Standard
Chinese GB, American ASME/ASTM/SAE, German DIN, Japanese JIS, and International ISO standards.