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Shandong Yongan Heli Cylinder Co.,Ltd
Yongan Group established in 1999, is a specialized manufacturer of seamless steel cylinders and low-temperature insulated gas cylinders in China. The total assets of the company are worth 87.2 million dollars, covering an area of more than 300 acres, more than 1,500 people have been employed after production begins, and it brings an annual output of 8 million gas cylinders of various types.