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Nantong Dongchang Chemical Industrial Co., Ltd. mainly manufactures glycine series products, glycine deeply processed series products and other fine chemical products. http://www.dongchangchemical.com
Shenzhen Gu Jia New Type Chemical Materials Co.,Ltd. stracture seamless steel pipes,carrying fluid seamless steel,low and medium pressure boiler pipes,high-pressure boiler pipes,alloy stracture pipes,petroleum cracking still pipes,co http://www.chinacoca.com