XILONG.XILONG was founded on March 21, 2000 with a registered capital of 120 million yuan, located in the main production area of Shengli Oilfield in Dongying City, Shandong Province. The company specializes in the manufacture of petroleum and petrochemical special equipment, and its main products include skid-mounted equipment such as pressure vessels, boilers, and water-jacketed furnaces, as well as a full range of oilfield equipment such as separators, towers, tanks (e.g., light hydrocarbon tanks, cryogenic tanks), and heat exchangers, which are widely used in the fields of oil and gas extraction, treatment, and environmental protection.