Shandong Jinma Industrial Group Mechanical Forging Factory is the enterprise directly subordin-ate to Shandong Jinma Industrial Group Co., Ltd which has passed ISO9001 Quality System Cer-tificate. Covering a floor area of 30 thousand sq. meters and possessing equipments of over 300 sets, the factory is specialized in manufacturing scaffold coupler, clincher, construction coupler, punching coupler and other serial products, reaching over 100 varieties. Our scaffold serial prod-ucts are made strictly according to BS1139, EN74 and EN74B International Standards, and prod-ucts are sold well in many countries and regions such as Europe, America and so on.