Weifang Zhongguan Fine Chemical Co.,Ltd,was established in 2006,covers an area of 70000 square meters,annual production capability of 10000tons.which is located in Shandong province of China. We are one of the leading enterprises integrated in the development, production and sales of silicone sealant products in China. We have developed high polymer chemical products and new materials.Products are mainly sold to the Middle East,Europe and South America. Our company owns a set of advanced ...