Xilong Scientific Co., Ltd., founded in 1983, is established as one of the largest chemical reagents manufacturers and suppliers in China. Combining with R&D, import and export business, Xilong Scientific&＃39;s business volume has reached over USD 180 million in 2009.Xilong Scientific has production plant in different areas of China. The Main factory is located in Shantou. The second factory is located in Chengdu, Sichuan Providence. For the production of amino acid, the plant is located in Shantou and produced under the name of Shantou Unisplendour Guhan Amino Acid Co., Ltd. The total manufacture area covers about 200 thousand square meters. Operating under ISO9001, ISO14001, and OHSAS18001, Xilong Chemical can guarantee the quality and its production under environmental, professional health and safety management.With a high qualified technical development and quality management team, Xilong Scientific is also devoted to new product development and technical innovation.Xilong Chemical&＃39;s business ranges: chemical reagents, PCB reagents and chemical, API, food additives, and imported chemical raw material.Two brand names are very well recognizable in China because they are registered by Xilong Chemical. The first one is "Xihua Brand", which is been used for the produced chemical reagent and food additives. The second one is "Hanjiang Brand", which is been used for the produced amino acid (pharmaceutical grade) and glycerol (pharmaceutical grade). Xilong Chemical has constructed sales network covering most parts of the China. Export sales also cover countries and areas like Japan, Korea, Vietnam, Malaysia, the Middle East and Europe.