Shandong Mingzhu Drilling Tools Co., Ltd. is one of the core enterprises of Mingzhu Group, specializing in the research and development, production and sales of drill pipes, heavy weight drill pipes, drill collars and other drilling tools. The company is located in the Oilfield Equipment Industrial Zone of Kenli District. It has modern production and testing equipment and is capable of carrying out a series of process flows and services such as design and development, forging production, heat treatment, welding, non-destructive testing, etc., to ensure that all products meet the highest quality level. Shandong Mingzhu has passed the American Petroleum Institute (API) certification and obtained API 5DP, API spec 7-1, API Q1 certificates. With the investment of research and development, the company can not only pro- vide customers with a full range of API standard products, but also manufacture a variety of special-purpose products, such as special grade steel drill pipes and high-quality joints to meet customers' new requirements. Shandong Mingzhu's quality management system has passed ISO9001 certification and meets the industrial safety and environmental protection requirements of ISO14001 and OHSAS18001. Shandong Mingzhu is a reliable supplier of a full range of drill pipes and related products for many oil compa- nies in China. It is the main supplier of drilling tools to China National Petroleum Corporation (CNPC), Sinopec and China National Offshore Oil Corporation (CNOOC). With steady growth in the domestic market, excellent quality, service orientation and a strong global marketing network, Shandong Mingzhu has an extensive sales network and provides an increasing number of high-quality products to companies in the Middle East, Russia, Africa, North America and South America. The company is headquartered in Dongying City, with production products spread across China. In addition, there is a trading office in Qingdao. With high-quality products and technical services, Shandong Mingzhu has won a good reputation among cus- tomers.