The Leading Manufacturer of Overfill Prevention & Grounding Systems in China Founded in 1996, Qingdao Alptec Safety Equipment Co., Ltd. specializes in providing overfill prevention & static grounding systems for chemical and petrochemical industries. We are the supplier of Sinopec and Petro China. Our products make up 50 percent of the market in China. Alptec entered into the international market in 2006 and our products have been exported to Spain, the United States, Australia, Korea, ...