Shanghai Goodeng Construction Machinery Manufacturing Co., Ltd. is a company established in May, 2002, which is a hightech company specializing in construction machinery. Our main products are GD series of trenchless horizontal directional drilling machines, which is widely used in installing underground pipelines of telecommunication, cable of electric power, natural gas, pipes of running water and sewage, chemical industry pipelines. Company headquarters Shanghai Goodeng Construction Machinery Manufacturing CO., LTD locates in Gucun Industry Garden, Baoshan District, Shanghai. Our company is industrial base of China Architecture R & D Institute Architecture Mecha- nism Branch. Goodeng machine has already produced 20 models horizontal directional drilling machines from 18 Ton to 800 Ton by professional research team, which fills the blank at home and abroad in horizontal directional drilling machine. The 800 Ton rig is the biggest in the world.