SHANDONG YONGAN was founded on July21th, 1999, located in Junbu Street, Hedong Economic Development Zone, Linyi City, Shandong Province.It has more than 1,020 employees and covers an area of more than 380000 M2.It mainly produces seamless and welded steel gas cylinders of more than 40types. All products have passed the quality certification of GB/T5099,GB/T5842,GB/T5100, GB/T24159, ISO9001, ISO9809-1, ISO9809-3, ISO11118 andISO11439. Products are widely used in medicine, aviation, industry and other fields.