We are a joint-stock scientific research company of collecting membrane structure products for the R&D, design, manufacture and sales. located in Qingdao Laixi Economic Development Zone, adjacent to State Road 204 (Yan-Qing road), with convenient transportation beautiful ...

Qingdao David Chemical Co.,Ltd was established in 2001, which is located the beautiful coastal city of Qingdao, shandong province. We were approved by Foreign Trade and Economic Cooperation Bureau as a diversified company that engaged exporting importing business, have long-term stable ...