Qingdao Stmeer Fiber Technology Co., Ltd. focuses on the upstream raw materials of the whole cotton spinning industry chain, focusing on the production of gas spinning yarn, spinning industrial park is located in the West Coast export Processing Zone, the introduction of the world's most advanced automatic rotary cup spinning equipment Switzerland Rieter R60 series, Rieter is a sample factory in China.  In 2013, Sun Liang, the general manager of the company, received Li Qun, then the secretary of the Qingdao Municipal Party Committee, for investigation and guidance .