Hangzhou Wenjian Calcium Industry Co., Ltd. is always engaged in research and development of calcium hydroxide and calcium oxide. Currently, our company has production capacity of 150,000t/year calcium hydroxide and 90,000t/years calcium oxide. In April, 2014, a new production line with production capacity of 150,000t/year calcium hydroxide will be completed. Therefore, our annual production capacity of calcium hydroxide will reach 260,000t. Main products are food additive calcium hydroxide, medical grade calcium hydroxide, plastic heat stabilizer dedicated calcium hydroxide, environmental friendly dedicated calcium hydroxide, superior industrial gradecalcium hydroxide, defoaming dehumidification master batch dedicated calcium oxide, industrial calcium oxide and refined calcium oxide. Medical grade calcium hydroxide, environmental friendly dedicated calcium hydroxide, plastic heat stabilizer dedicated calcium hydroxide and liquid plastic heat stabilizer dedicated calcium hydroxide was praised as provincial new products in 2007 and 2009. High specific surface area calcium hydroxide and granulate calcium hydroxide was praised as provincial new product in 2012. Calcium stearate dedicated calcium hydroxide and surface modified calcium oxide was praised as provincial new product in 2013. Liquid calcium hydroxide and plastic heat stabilizer dedicated calcium hydroxide was praised as Hangzhou Technology Innovation Project. Environmental protection dedicated calcium hydroxide was praised as Hangzhou High-tech Industrialization Project. Calcium oxide is recommended product by China Plastic Industry Association. In 2008, due to superior and stable product quality and high customer satisfaction, our company was awarded of Jiangde Quality Management Prize.