尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

Dalian Huiyuan Fine Chemicals Co., Ltd. has owned the advanced production craft, modern and advanced prediction equipment technologies,the precise testing instruments, the professional production and management teams, splendid product quality, good market credit standing and intimate service. Several professional technicians are engaged in research, discover and after-sale service.

Our company not only owned the factory and the research institute, we owned Import and Export Corporation. The company has the qualification of independent international trading. We have achieved hundred of scientific research and using outcomes and productions in the following fields: the addition agent in plastic, resin, printing ink, polymer material, like inhibitors, antioxidant, ultraviolet absorber, and so on. Now we have several series product: Phenols, Quinones, Fluorescent whitening agent, ultraviolet absorbent, Intermediates of medicine and pesticide. The products are exported to Europe, America, Japan, India and Southeast Asia and other districts.