Oxalic acid is a kind of metabolite of organism, which is widely distributed in plants, animals and fungi, and plays different functions in different living bodies.Study found that the various plants rich in oxalic acid, especially in spinach, amaranth, beet, purslane, taro, sweet potato and rhubarb, such as the highest levels in plants, because of oxalic acid can reduce the bioavail ability of mineral elements, easy and calcium ions to form calcium oxalate in the body cause kidney stones, so oxalic acid is often considered as a kind of mineral elements absorption and utilization of antagonism.

Yantai Wenxu Industrial Co., Ltd. was founded in 2015. It locates at Yantai city of Shandong province, which is about one hour far from Qingdao city by fast train. So it's quite convenient to the Tsingtao Port,Tianjin Port and Shanghai Port,or to the customers' designated port.

We have cooperated with more than 5,000 big or small companies, export   to the 57 countries in Europe, Australia, America, south Africa, etc.   We specialized in manufacturing   Polyaluminium Chloride,   Polyacrylamide,   Activated Carbon,   Basic Polyaluminium Chloride, and other Water Treatment Agent,   Filter Material,   Activated Carbon,   Filling Material. We have a series of complete water treatment supporting service system,which are widely used in potable water,oil field,textile,painting and dyeing industry, metallurgy, electric plant,industry polluted water and city life water. We also produce some food additives, such as citric acid, Sodium Metabisulphite and so on.

Our company pays much attention to technology,quality and credit especially. We have faith in "quality first and customer supreme". We take extreme care to maintain high quality. We assure regular supply and prompt delivery. We are always committed to our clients and believe that we'll have-long term cooperation. Our products and after-sale services have been highly appraised by our customers at home and abroad. We offer you the lowest price and top quality .When you choose us, you are accessing a reliable and professional partner. We hope to establish lasting friendships and long-term cooperation relationships with you sincerely.