Luoyang Sunrise Industrial Co., Ltd is focusing on manufacturing and marketing Insoluble Sulfur , which is able to produce various Insoluble Sulfur including IS6033&ï¼12289;IS7020&ï¼12289;IS7520&ï¼12289;IS90 &ï¼12289;OT33&ï¼12289;OT20&ï¼12288;etc.The company has got certification of ISO9001:2000 standard and was approved as New&Hi-tech Enterprise, and the Insoluble sulfur was approved as New&Hi-tech product.