Nanjing Develop Advanced Manufacturing Co., Ltd. engages in the research, development, manufacturing, and sale of parts and components for oil and gas industry in China and internationally. The company offers surface equipment and Christmas tree components, including tree cap, tubing hanger, and packoff seal assemblies, as well as tree block, casing hanger, multibowl wellhead, cross, gate valve, casing and tubing heads, and tubing head adapter; subsea equipment components, such as conductor housing, subsea conductor housing, subsea composite valve block, and subsea hydraulic connector assembly; and fracturing equipment components comprising frac pump fluid end, frac valve assemble, and gate valve. It also provides forging and machining drilling equipment; petrochemical; clean power; and engineering and mining machinery. The company's products are used in deep water subsea drilling and production, shale gas fracturing, surface wellhead and Christmas tree, BOP, high pressure fluid transportation system, and wind and nuclear power sectors. It exports its products in Brazil, Singapore, Malaysia, the United Kingdom, Romania, France, Argentina, and other countries. The company was incorporated in 2009 and is based in Nanjing, China.