Dear Sir, We are a manufacturer of hydroquinone ,tech/photo grade,5000-7000/mt from second half year in 2006 and catechol 98%, 98.5%min 5000-7000/mt from second half year of 2006and total both items in 10000-15000/mt ,located in Lianyungang city, China. The other goods are as Guaiacol cas:90-05-1, qty 4000mt year and 4-methoxyphenol,cas:150-76-5, qty 4000mt year. It was already obtained ISO9001:2000,ISO14001:2001 and GB/T28001-2001 ie.the Occupational Health and Safety Management System on date of issure 16 May 2003. Please feel free to contact us if you are interested in any of them the moment. We make sure to supply you highest quality and quantity goods in time and good services in all. Your high attention and prompt reply will be appreciated. Best regards, Jefferson Chen Lianyungang Sanjili Chemical Industry Co.,Ltd. No.14,Kunlunshan Rd,Economic and Technical Development