Shandong Molong Petroleum Machinery Co., Ltd. is a listed company specializing in the design and research, processing and manufacturing of petroleum machinery, sales and services and export trade. Its products mainly include oil pipes, casings, oil special seamless pipes, oil suction rods, oil pumps, Oil pumps, submersible oil electric pumps, liquid injection pumps and various underground tools are qualified suppliers of China's four major oil group companies and one of the four outstanding suppliers of CNPC Class I products.

The company was founded in 1986, entered the petroleum machinery industry in 1987, established Shandong Molong Group Corporation in 1994, and established Shandong Molong Petroleum Machinery Co., Ltd. in 2001 with the approval of the Shandong Provincial Government. On April 15, 2004, Shandong Molong H shares were successfully listed on the GEM of the Hong Kong Stock Exchange, becoming a private enterprise in Weifang and a company listed overseas. On February 7, 2007, Shandong Molong successfully transferred from the H-share GEM to the main board, becoming a successful transfer company among the 134 Hong Kong GEM H-share companies. On October 21, 2010, Shandong Molong A-shares were listed on the Shenzhen Stock Exchange. The company owns two A+H stocks (A-share code: 002490, H-share code: 00568). In 2012, Molong acquired Rio Tinto Group HIsmelt Technology and began to invest a lot of money in 2013 to establish a HIsmelt technology production factory. Compared with traditional smelting processes, this process has revolutionary advantages in environmental protection, automation, cost and products. In May 2018, the China Metal Association organized domestic forging industry experts to evaluate the technology's scientific and technological achievements. After evaluation by the experts at the meeting, the technology was recognized as an international technology.

Shandong Molong regards product quality as the top priority, invests a lot of money every year, establishes and improves various inspection and monitoring methods, and ensures the quality of the product in many aspects. Shandong Molong passed the ISO9001 international quality system certification earlier, and in 2009, it passed the ISO14001 and OHSAS18001 management system certification. The leading products were approved for use in the petroleum industry logo, which obtained a pass for the company to successfully enter the domestic and foreign oil field markets. The oil casing, valves, mud pump cylinder liners, stainless steel precision castings, petroleum "three-pull" equipment and accessories are best sold in the world's major oil-producing areas such as Europe, America, and the Middle East, and are well received by customers at home and abroad.

Shandong Molong will further increase investment in technology research and development with the company's good reputation and stable position in the oil machinery market, expand the production capacity of high-grade oil-specific pipes, adjust the product structure and improve the overall performance, and continuously extend the production chain. , providing high-quality products to oilfield users, bringing more ideal returns to investors, continuing to maintain the advantages of rapid development, and determined to become an internationally renowned oil equipment manufacturing service provider.