Shanghai Minggong Heavy Equipment Co., Ltd (Shanghai Daming factory) is specialized in making large and medium-sized series of mining machinery, metallurgical machinery and equipments for construction materials. It is a joint-stock enterprise combined with R&D, production and marketing. In accordance with city construction, in 2005 the company built a new factory coving 18000SQM at Malu High-tech Park of Jiading District Shanghai. Total assets 15 Million and Employees are more than 400. It has a professional research team consisted of more than 70 technicians and more than 20 senior engineers . Many years experiences brought up a team of well-trained riveter and welder.