Shijiazhuang Welilda Prospecting Machinery Co., Ltd. (formerly North Petroleum Geophysical Exploration Machinery Factory), established in 1988, is a leading manufacturer located in Jinzhou City, Hebei Province, China. Strategically situated near major transport hubs, including expressways, high-speed rail, and international airports, the company operates a modern 13,000-square-meter facility with 80 employees. Specializing in the design, production, and global trade of drilling machinery and tools, we comply with GB, GOST, API, and ISO standards, offering customizable solutions. Our drilling equipment supply includes HDD drill pipes, DTH drill pipes, oil drill pipes, tricone bits, mud pumps, and portable drilling rigs and so on. Equipped with advanced CNC lathes, friction welders, and ISO9001-certified quality systems, Weilida ensures traceability and reliability through rigorous testing. Committed to innovation and customer satisfaction, we prioritize quality, technical excellence, and tailored services for global clients.