Weifang Jiahong Chemical Co., Ltd. is sister company of Wuxi Wanli Chemical Co., LTD , belong to the same shareholder of wuxi wanli, was founded in 2008, it is specialized in the production of insoluble sulfur, rubber curing agent series. Our main products are heat stable IS-HS-series, oil-filled 200 mesh Insoluble Sulfur . We are a high and new-tech enterprise integrating R&D, production and sale.