Qingdao Hengze Silica Gel Products Co., Ltd was established in 2014. We have been dedicating to the research, production and sales of silica fillers. Our silica gel is widely used in various industries such as food, bio-pharmaceuticals, plant extraction, fine chemicals, scientific analysis, environmental monitoring, and petrochemicals. We have been cooperating with some research institutions and universities in China. Our main products include column chromatography silica gel, catalyst silica gel, oil decolor silica gel...Our annual production is about 15,000 tons.