Qingdao Changtaisheng Metal Products Co., Ltd. established in 2011, which the former was Qingdao Changlong Metal Products Co., Ltd. (founded in 1954), is the largest sheet metal manufacturing enterprise in Qingdao. The company is located on the third Longquan Industrial Park Road in the north of Qingdao, with a convenient transportation and favorable geographical position .Enterprise has plant and first-class office facilities in modern standards, construction area of 18000 square meters in the whole 38000 square meters. The company has 360 employees, more than 60 engineering and technical personnel. today it has the most advanced metal means of CNC laser cutting machine, plasma cutting machine, CNC turret punching machine and the most advanced surface electrostatic spraying production line in Japan, 20 of various specifications of the CNC bending machines, 22 of CNC cutting machines, more than 40 sets of precision pressing machines including 10 sets for the production in 60 tonnage, 6 sets for the production of more than 80 tonnage, 2 sets of hydraulic pressing machines in 300 tons and 1000 tons, all kinds of advanced carbon dioxide welding, argon arc welding machines, advanced computer leveling open-book unit and 19 roller plank flatten machine. Over the years, the company, passed the ISO9001 international quality system certification, adheres to the quality policy of "the quality first, the user supreme", the enterprise purpose of ?Integrity-centered, win-win?, ?Quality assurance and customer satisfaction, the enterprise idea of the pursuit of excellence, and sustainable management", which wins the customer the praise.