Extension joint shall be used for drilling mast

Jiangyin Changhong Metallurgical Casting Co., Ltd. is located in the Industrial Park of Lingang New City, Jiangyin City, Wuxi City, Jiangsu Province, and is one of the main supply teams of Xugong Group Foundation Company. The company was established in 1999. It is a professional company engaged in the design, manufacture and sales of various steel structures in one. The company has two production bases in Jiangyin, Jiangsu and Pizhou, Jiangsu, with a plant area of 50,000 square meters and a total staff of more than 500 people, and has an annual production capacity of 30,000 tons of all kinds of steel structures, and the production and sales scale is gradually growing. The main business of the company is mainly supporting the steel structure welding parts in the whole machine of XCMG Foundation such as rotary drilling, pipe jacking machine, hydrostatic pile driver, roadheading machine, water well drilling, loader, etc. The company always insists on the management policy of "market-oriented, technology-based, quality-guaranteed, benefit-centered", and has been awarded the titles of advanced unit of education development, excellent supplier of XCMG Foundation, excellent supplier of...