SHANDONG LIAHERD CHEMICAL INDUSTRY CO.,LTD, locates at the heart of shandong province, west of yiyuan county. The porcelain city ZIBO locates to his north and MOUNTAIN TAI to his west. Qingdao port and RIZHAO port are to the east, it is convenient to go both by sea or road. The company was founded at 1965, based on the synthetic ammonia, including organic and inorganic production and transportation, as well has the right to import and export freely. The main products are as below: synthetic ammonia, concentrated nitric acid, dilute nitric acid, ammonium nitrate for industrial use, sodium nitrate for industrial use, sodium nitrite for industrial use, sulfurised isobutylene(T321), T2201 diesel oil cetane number improver( Isooctyl nitrate), sodium carbonate, ammonium chloride for agricultural use, methanol, sodium bicarbonate and melamine etc. The company is the first manufacture of T321 sulfurised isobutylene and isooctyl nitrate in china, the quality reaches the same products abroad, substitute the imports. They now have been widely used in the main refineries and lubricant oil plants of china, have broad development.At 1999, the company got the certificate of ISO9002, and got the new edition of ISO9001-2000 at 2003.And the company was honored one of the largest 500 enterprises of china chemicals at 2006.