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.