Zhejiang Sound machinery manufacture Co,.Ltd(Zhejiang plastic mechanical main plant) Creating History - 1955, is the earliest one of the enterprises producing plastic injection molding Honors – Top 5 Strong industry, national high-tech enterprises, well-known trademarks in China, famous exporter of Zhejiang Province, the State Torch Program Enterprise ... ... Certified - ISO9001: 2000 domestic and international certification, the German Rhine, CE certification, has been found to meet national security and energy efficiency standards Location scale - - company existing land 150 Chinese acres (main body workshop 58,000 M2), and some 270 Chinese acres new factory districts are being prepared for construction Products advantages - clamping force produced from 900KN to 4..