Qingjian Group Co.,Ltd. is headquartered in China Shandong Sheng. Qingjian Group Co.,Ltd. was founded in 2007. Qingjian Group Co.,Ltd. has a total of 317 patents
Qingjian Group Co., Ltd. Jinan Branch, established on 2007-01-18, Business scope includes general contracting of construction and installation projects;Sales...