Propane Storage Tank 鈽匫ur History 鈥?In 1986, heze huawang high pressure vessel experimental plant of shandong academy of sciences was established. 鈥?In 1993, he ze huawang high pressure vessel co., LTD. 鈥?In 1995, obtained the earliest class D manufacturing qualification in the same industry in shandong province. 鈥?In 1998, entered the refrigeration market and produced the first refrigeration auxiliary equipment. 鈥?In 2003, heze boiler factory was acquired. 鈥?In 2005, obtained A2 design and manufacturing qualification in the same year. 鈥?In 2008, the first 30m low-temperature liquid oxygen storage tank left the factory. 鈥?In 2009, a new plant at no. 766 lanzhou road was put into operation, with an added capacity of 13,000 tons per year. 鈥?In 2011, heze huawang container cryogenic products served China aerospace toray rocket base. 鈥?In 2012, heze huawang was listed in the procurement list of China national offshore oil corporation. 鈥?In August 2012, the company established the environmental protection research and development department. 鈥?In 2013, the first 260-kilogram ultra-high pressure vessel was delivered. http://www.tank-madeinchina.com/