China metal corner bracket Manufacturer, Supplier, Factory

The shear strength test specification for structural bolts has undergone a comprehensive iteration, targeting widely applied Grade 8.8 and 10.9 high-strength bolts for steel structure and infrastructure projects. The updated standard optimizes full testing procedures, evaluation criteria and environmental control rules, unifying loading rate, sample pretreatment and ambient test conditions to eliminate inconsistent judging standards and data deviations among different testing institutions. Effectively solving common overseas project acceptance disputes caused by outdated test reports, the new regulation raises stricter requirements for bolt heat treatment, material uniformity and dimensional accuracy. As a professional supplier, Jiaxing Aoke Trading has fully upgraded internal inspection systems to comply with the latest ASTM, ISO and GB standards, providing compliant third-party test reports and reliable high-strength bolt solutions for global engineering procurement.

Many assume galvanised screws possess inherent rust-proof properties, yet they still corrode during use. What exactly is happening? In truth, the zinc coating serves merely as a protective “outer layer” for the screw, not a universal shield. Rust formation is largely linked to the condition of the coating and the usage environment.

The hunt for trustworthy Auto Spare Parts can feel like a maze. But what if you had a guide? A partner that prioritizes quality and speed? This is precisely the problem we set out to solve at Aoke, building a service that feels like having an expert mechanic on speed dial.

​We are glad to share with our customers that our own factory Jiaxing Aoke Hardware was awarded with Work Safety Standardization Certification Cl.3. This means our commitment to safety and quality.

We newly launch flat stamping connecting plates for multi-scenario structural reinforcement. These integrally stamped parts can be made of carbon steel, stainless steel or aluminum alloy. Heat treatment and anti-corrosion surface treatments like electroplating and hot-dip galvanizing are available. With multi-hole design, they fit limited installation spaces and are widely used in machinery, auto parts, furniture cabinets and construction for planar component connection. We provide standard stock items and custom service per drawings. Full-process quality control and one-stop stamped part supply deliver stable planar connection solutions for various manufacturing projects.