SHANDONG YONGAN HELI CYLINDER CO.,LTD ,located at Hedong district ,LINYI City ,Shandong Province ,China .It is the largest and professional steel cylinder manufacturing company in the country,covering an area of more than 200 mu with a con struction area of 60000 square meters.It has more than 800 employeesincluding more than 150 engineering and technical personnels. The products produced have passedGB/T5099 GB/T5842,GB/T5100,GB/T2415998-3 ISO9809-1,ISO9809-3 quality certification. obtained German TPED.TUV SGS certification.American DOT certifica tion.The company has an efficient operation quality assurance system,with physical and chemical testing,non-destructive testing,material analysis,mechanical property inspection and test facilities and professional technical personnel at the same time. Our factory has a cooperation team with universities,such as Shandong University,Zhejiang University,etc., dedicated to improving the performance of raw materials.The automation of the equipment has improved R&D.and passed the"Intellectu al Property Certification", has nearly 10 trademarks such as"Yongan""YA". has obtained 15 invention and utilitvmodel patents.and won the"Municipal Key Engineering Laboratory"It was confirmed with the"CityEnterprise Technology Center".The medical oxygen cylinders produced by the company were confirmed as anti-epidemic materials in the fight against the new coronarypneumonia epidemic and provided oxygen guarantee for the rehabilitation of patients!r
