JiangSu Liao Yuan Chemical Co., Ltd. ( Yixing Liao Yuan Chemical Co., Ltd. ) is the biggest thiocyanate manufacturer and exporter in China, with annual output of 36,000 tons. As the biggest sodium thiocyanate manufacturer and exporter and the only manufacturer of calcium thiocyanate & cuprous thiocyanate in China, 65% of our products are exported to USA, EU and Southeast Asia, etc. Now, we have developed a series of new products independently, including antibiotic mildew inhibitor―Pyrithione salt series, oxytocin and its intermediate-nonapeptide