Shandong Qingzhou Nanzhang Petroleum Machinery Factory is located in the northern part of Qingzhou City, adjacent to the Jinan-Qingdao Expressway. It is 185 km east of Qingdao and 70 km north of Shengli Oilfield. Boasting superior geographical conditions and convenient transportation, the factory specializes in the research, development, and manufacturing of mud solids control equipment and mud recovery systems. It is a professional manufacturer of petroleum machinery, solids control equipment, and mud purification equipment for trenchless engineering. In 1998, it took the lead in passing the ISO9001 (1994 version) quality management system certification within the industry. Subsequently, it successively obtained the ISO14001 environmental management system certification and the ISO45001 occupational health and safety management system certification. The factory is a first-tier network member of PetroChina and Sinopec.

Established in 1984, our factory has successively developed more than twenty types of mud solids control and purification equipment, such as LW series decanter centrifuges, NZZS series vibrating screens, CSQ series desanders, CNQ series desilters, ZCQ series vacuum degassers, 150PS series sand pumps, JQB series shear pumps, NJ series mud mixers, mud solids control systems (circulating tanks), mud environmentally friendly treatment systems (mud non-landing systems), mud mixing units, mud guns, mud pump parts, as well as new-type mud purification and treatment equipment developed for bridge pile foundation engineering, construction engineering, underground tunnel shield engineering, river dredging, fine stone powder recovery, and trenchless engineering, among others.

Our products are sold to major oilfields across the country, including Shengli Oilfield, Daqing Oilfield, Liaohe Oilfield, Jilin Oilfield, Zhongyuan Oilfield, Xinjiang Tarim Oilfield, Nanyang Oilfield, and Jianghan Oilfield, as well as to various large, medium, and small trenchless engineering projects both domestically and internationally, winning high praise from users.

The company was founded in 1984

It covers an area of more than 50 mu (approximately 33,333 square meters)

The company has 150 employees

The fixed assets amount to 30 million yuan

Quality Philosophy

We adhere to quality as the core, strengthen quality management throughout the entire process, strictly establish, standardize the implementation of, and continuously improve the quality management system, and make every effort to ensure that the quality of each product meets the design and technical requirements as well as the contractual standards.

Technical Philosophy

By virtue of market research and support from various functional research institutes, we continuously develop new products that meet user requirements and upgrade existing products on the basis of introducing advanced foreign technologies. This enables us to meet the demand for specialized equipment for mud solid control in China's oil drilling industry and contribute to increasing production and efficiency in the country's oil drilling sector.

Sales Philosophy

Our products are sold to major oilfields across China, including Shengli Oilfield, Daqing Oilfield, Liaohe Oilfield, Jilin Oilfield, Zhongyuan Oilfield, Xinjiang Oilfield, Tarim Oilfield, Nanyang Oilfield and Jianghan Oilfield. They enjoy a high reputation in the oilfield market and are deeply favored by users.

Shandong Qingzhou Nanzhang Petroleum Machinery Factory

Service Philosophy

We always take customers' needs as the core orientation, aim to provide high-quality products and services, and make efforts throughout the entire process from pre-sales consultation to after-sales follow-up. We do our utmost to eliminate all potential quality hazards, continuously improve product quality without hesitation, and win long-term trust from customers with reliable services.

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