Established in 1992, Langfang Hawk Technology & Development Co., Ltd. is a manufacturer specializing in scientific research, new product development and production. Our production capacity is 22000 tons per year. We have two R&D centers, four subsidiary plants and a multi-function pilot plant. We are the first manufacturer of Dimethyl Disulfide Series, Levulinic Acid Series and Azo-Polymerization Initiator Series in China. We keep on improving product quality and product after-sales services. We also provide OEM services. Now, Metallocene compound series are successfully made in our...