Hongsheng Oil Co., Ltd. is a manufacturer of drilling rig, workover rig, pumping unit, pressure gauge, drill and oil pipe with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in oil and chemical industry and other industries.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs We welcome new and old customers from different countries to contact us for future business relationships and mutual succe