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★Our History ※ In 1986, heze huawang high pressure vessel experimental plant of shandong academy of sciences was established. ※ In 1993, he ze huawang high pressure vessel co., LTD. ※ In 1995, obtained the earliest class D manufacturing qualification in the same industry in shandong province. ※ In 1998, entered the refrigeration market and produced the first refrigeration auxiliary equipment. ※ In 2003, heze boiler factory was acquired. ※ In 2005, obtained A2 design and manufacturing qualification in the same year. â... [Details] |