On Tuesday, the domestic sulphuric acid market light trading, the individual market even slightly weakness, at present most of the implementation of presulfate trading contract pricing, wait-and-see attitude began to cover. After entering the domestic downstream demand off-season, whether it is acidenterprises or downstream enterprises started to gradually reduce,individual enterprises have been shutdown for maintenance, the maintenance of large smelter acid basically completed, the latter willgradually open, but there are some small and medium enterprises for inspection or reduce inventory pressure parking. Upstream market domesticsulfur Sinopec again by Shandong Refinery Sulfur prices, increase by 30yuan / ton, but the domestic port spot has been very weak, lowest price It is often seen. Downstream market order has been signed to ammonium phosphate after August, so the domestic ammonium phosphate enterprisesstill have raw materials demand. Analyst Ma Lo forecast: short-term marketis still the continuation of sulfuric acid stable trend, the upstream and downstream demand support, acid, callback time is needed.