We are one of the leading producers of Phosphorous Acid in China. Starting production and sales over 10 years ago, now we are professional also experienced in this field. With the efforts of 300 stuff? hard work, we are running a production capacity around 10000T per year, 100% of which are exported to many countries in the world, such as USA, Europe, Japan, South-east Asia, South Korea, Australia, South America etc.We have been devoting and will continue to devote all our experience, service, and good quality products to customers and users all over the world. With investment in Yunnan province - the best place of raw material P4, we share the advantage of raw material supply and quality assurance, to ensure the qulaity control in whole production process in factory.We are also approved by ISO 9001:2000 quality system, under which the production, sales of our products are monitored by NQA management assurance system. For Phosphorous Acid we have TOP grade and First Grade: TOP grade uses Phosphorus Trichloride craft while First Grade from Dimethyl Phosphite craft, to meet customers? different useages. Products can be packed in 25kgs, 50kgs, 500kgs, and 000kgs plastic bags. 1x 20? FCL can hold 19-20T.Just call us at 0086-571-85775917 or fax at 0086-571-85775919 for any interests and inquires of our all products, or directly email at rachelhoo@vip.163.com , you will know more about our company and receive our prompt attention. Also please view information of our other products.