3159-07-7 ,10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine

Shijiazhuang Tongyang Import and Export Co., LTD , located in Shijiazhuang City,which is the capital of Hebei Province and hub sector among Beijing, Tianjin, and Hebei.We have the advantage of convenient transportation.Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.In recent five years, the company has implemented the strategy of "going out" vigorously.We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect.Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation,and strive to become to the leading of Chinese chemical industry.Shijiazhuang Tongyang Import and Export Co., LTD , located in Shijiazhuang City,which is the capital of Hebei Province and hub sector among Beijing, Tianjin, and Hebei.We have the advantage of convenient transportation.Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.In recent five years, the company has implemented the strategy of "going out" vigorously.We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect.Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation,and strive to become to the leading of Chinese chemical industry.