Weifang Adde Economic And Trade Co.,Ltd. was founded in 2010, has been the global leading supplier of liquid crystal chemicals,organic synthesis chemicals and hydrocarbon (petroleum) resin. By professional testing and meticulous division according to performance and applications, ADDEs customers from all over the world continue to enjoy the constant quality and professional applications of above chemicals. We have maintained our leadership position in the chemicals market by strict quality principals: ADDE has set up a professional testing laboratory and R&D team. All of the products will be tested in the lab before shipment. Constant quality and professional service has been enjoyed by ADDEs customers. Our Vision, Values, Mission and Operating Principles have been developed to reflect not only our day-to-day work on our core business strategies, but also to guide us through the challenges and opportunities that come with global expansion and rapidly changing market