QLONGCHEM TRADING Co., Ltd is a high-tech company that specializes in the Research and development, production of plastic additives. It is situated in Xiamen Torch Hi-Tech Industrial Development Zone being famous for its scenic beauty and favorable environment. In order to meet the need of European Union's two environmental protection instructionWaste ofElectric and Electronic Equipment (WEEE) and the Restriction Of the use of certain Hazardous Substances in electrical and electronic equipment (ROHS), we have succeeded in developing and producing a series of solid calcium-zinc complex stabilizers with characteristics of hi-tech application and without poisonous heavy metals, such as Pb Hg Cd and so on. In addition, we have developed environment-friendly solid calcium-zinc stabilizers for drinking water pipes and electronic cables to comply with the Lead free in water pipes and keep high environmental standards with ROHS. With complete varieties and high performance, our products are very popular among customers.