Ningxia Darong Industrial Group Co., Ltd. Beijing Office

Ningxia Darong Ind. Group Co., Ltd is the larggest private chemical company in Ningxia. The main chemical products cover dicyandianamide, cyanamides, strontium carbonate, thiourea and calcium cuanamide etc.We export a great quantity of products to international market every year.The Company has granted ISO 9002 certificate last year. [详细介绍]