Brief introduction about Shenzhen Lian He Xin Technology Co., Ltd. It is a large-scale integrated enterprises that taking non-metallic mineral powder research and development, production and sales as one set and having the common taxpayers quality. The company is committed to the production and sales of talcum powder, calcium carbonate, barium sulfate, magnesium hydroxide powder. In recent years, due to the extensive application of fire-retardant plastics and the increasing demand of flame retardants, people have higher requirment to new environment . The Company had set up tech cooperation with a number of universities and research institutes. Through the use of high-tech surface treatment and modification of nano-technology, we jointly developed a new type inorganic flame-retardant powder: LHX-999. This technology leads the world and it is also the first case in China. The products have been exported far to Europe and America. The company has engaged in a number of management, scientific research, and marketing efforts for many years. There are a lot of experienced professionals here. Joint-xin adhere to the talent strategy of "people-oriented, regarding staff as the greatest wealth" , carry forward the spirit of enterprise: "sincere dedication to create excellent" , adhering to the business principle of "to create value for our customers, employees and society" . As products of Xin-known are well known in the domestic, Southeast Asia and Europe as well as in the American market, we are willing to joint our hands to contribute for green products and promote further research and development in order to create environmental-freindly environment that is benificial to human health.