Gansu Nuokeda Trading Co.,LTD
Gansu Nuokeda Trading Co.,Ltd has received the international certification of ISO 14001：2004 STANDARD, OHSAS 18001：2007 STANDARD; ISO 9001：2008 STANDARD.
With sulfur chemistry, carbon chemistry, high efficiency and environmental protection additives, comprehensive utilization of resources as the main development direction, we are the largest thiourea manufacturer in the world, the largest sodium hydrosulfide manufacturer in Asia.
Products are exported to Europe, the United States and Asia etc more than a dozen countries.
We sincerely hope to cooperate with you, and we will supply you the best products and service.