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? http://www.tank-madeinchina.com/
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