Yantai Zhenghai Biotechnology Co., Ltd. engages in the research and development, production, and sales of bioregenerative medical materials in China. The company offers oral restoration membranes, absorbable dura mater patches, active biological bones, skin repair membranes, bone repair materials, surgical packing sponges, phosphoric acid etching agent, dental pit and fissure sealant, active biological bone, light-curing composite resin, non-absorbable surgical sutures, and self-etching adhesives. Its products are used in various fields, such as dentistry, orthopedics, neurosurgery, and trauma surgery. Yantai Zhenghai Biotechnology Co., Ltd. was founded in 2003 and is headquartered in Yantai, China.