Shandong Zhangqiu Blower Co., Ltd. engages in the design, manufacture, and sale of blowers. Its products include roots blowers, vacuum pumps, screw blower, turbo blowers, centrifugal fans, industrial pumps, pneumatic conveying systems, ventilators, and liquid ring vacuum pumps. The company was founded in September 1968 and is headquartered in Jinan, China.