Guanghan N&D Carbide Co., Ltd.

Founded in 2004, Guanghan N&D Carbide Co., Ltd. (广汉N&D硬质合金有限公司) is a fast-growing cemented tungsten carbide manufacturer headquartered in Guanghan City, Sichuan Province, China. The company holds API certification under Spec 11AX for subsurface sucker rod pump components and manufactures all products to ISO and API quality standards. With over 20 years of experience and more than 200 technical professionals, N&D Carbide specializes in producing a wide range of precision wear parts for the oil and gas drilling, flow control, and cutting industries, achieving capacity of over 20 metric tons of tungsten carbide product per month. Core oilfield product lines include API 11AX-certified balls and seats for subsurface rod pumps, choke stems and seats, tungsten carbide valve spare parts, flow cages, wear rings, bushings and sleeves for electrical submersible pumps, mechanical seal rings, nozzles, and inlet plates. All carbide products are manufactured from virgin raw materials using HIP (Hot Isostatic Pressing) furnace sintering and CNC precision machining, with 100% pre-shipment inspection and vacuum testing on ball-and-seat assemblies. The company offers a full range of carbide grades in cobalt and nickel binders, including micro-grain grades for extreme wear resistance, high-hardness grades for corrosive environments, and high-cobalt grades for impact toughness. Products are exported globally to Europe, North America, Australia, the Middle East, and South America, with the company supplying Fortune 500 customers. N&D Carbide exhibits regularly at major industry events including CIPPE Beijing and the Offshore Technology Conference (OTC) in Houston.