Changzhou City Guoyu Environmental Science and Technology Limited Company is a share-stock enterprise authorized by Civil Administration Bureau, which is a professional manufacturer of sodium carboxymethyl cellulose,whose brand is "YUYU". Our company has passed the evaluation of ISO9001:2000 International Quality Management System Certification and ISO14001:2004 International Environmental Management System Certification. Our product such as sodium cmc, carboxymethyl cellulose have been well accepted by customers for...