Shandong Mingzhu Petroleum Equipment Co., Ltd. is a professional petroleum equipment manufacture enterprise, which integrates R & D with production, sales and service. It is located in the beautiful Yellow River estuary where is called "Oil City"- Dongying, Shandong. It covers an area of 500 acres; a total construction area is 210,000 square meters; total investment reach 1.06 billion Yuan. We are mainly engaging in production and sales of oil, gas and non-excavation drill string etc.; our products mainly include drill pipe, tubing, casing, drill collar, heavy weight drill pipe, Kelly and other parts.