According to Baidu Encyclopedia, Demevac silicone Co., Ltd. is a joint venture between Germany Wacker Chemical Company and Guangdong Demeike Fine Chemical Co., Ltd. ... Wacker Chemical is a global chemical company with about 65,438+07,000 employees and annual sales of about 5.3 billion euros (2065,438+05). The company's business is all over the world, with 25 production bases around the world, subsidiaries and sales offices in 3 1 countries in America, Asia, Oceania and Europe. In a word, Demevac and Wacker Chemical are two different companies. Although there is a cooperative relationship, the business areas and regions are different.