http://pastport.jp/user/rdpmc/timeline/DEZHOU%C2%A0RUNDONG%C2%A0PETROLEUM%C2%A0MACHINERY%C2%A0CO.%2CLTD Dezhou Rundong Petroleum Machinery Co., Ltd is a professional company with 20 years history in manufacturing of petroleum machinery products, in which mud pump parts are famous-brand products. Mud pump parts we manufactured can be exchangeable with intern ja-JP