Jiangsu Zhengxing Construction Machine Co., Ltd. is located in Jiangsu Province, which is near Shanghai City. We are one of the minority companies that participate in establishing the tower crane national standards (GB5144-2006: safety code for tower crane). We are still one of the minority companies with tower crane CE certificate(for european market) and GOST certificate(for Russian market) and ISO9000 in China.Our company is the emphasis enterprise of Construction Department in producing tower cranes. Our enterprise is one of the constitutors of the national tower crane standards. The...