Heilongjiang Mingrun Hongye Petrochemical Co., Ltd. was established on July 7, 2010. It mainly sells oil slurry, asphalt, Marine fuel oil, boiler fuel oil, hardware products, building materials, steel, coal and chemical products. In the production process, methanol, ethanol, methane, benzene, ammonia, oxygen, liquefied petroleum gas and other flammable gases, the company provides ASD5310 gas detector and sound and light alarm for flammable gases.