Qingdao Trustone Co.,Ltd was established in 2009 and with years of development., it has grown to be a comprehensive company from producing chemical additives to various kinds of plastic bags, including HDPE/LDPE bags, rubber accelerator and so on. Our company locates in Qingdao, Shandong province, where is chemical material and plastic bags manufacturing base in China and Qingdao port provides great advantage to export good quality products to different clients from Canada, Russia, Australia, Africa, USA, Taiwan, Singapore, Malaysia, Europe and EU Countries, Middle Eastern Countries.