Our knockout products are scaffolding couplers(both forged and pressed type) and steel planks. We also supply other products such as ledger, bottom cup, ladder and so on, with current production capacity about 400 containers per year. Quality is life of an enterprise. Each product made by us has been examined strictly by our technicians, and tested in accordance with the EN-74, BS113 and AS1576 / 1577 international systems. The test procedure is adopted so precisely that every production link has allocated technicians to detect the product day and night. The 100% torsional test and the anti-slip random test ensure the quality of the product. In addition, every product has their tracing labels on which the production date and order no. are shown. There are quality inspection certificate and certification of fitness in each bag of goods. Relying on its excellent-quality　product, Nanjing Haoding is stepping into the leading row of this industry in the world