Linyi Yongan Steel Silinda Co., Ltd.

An kafa shi a cikin 1998 Linyi Yongan karfe Silinda Co., Ltd. (tsohon Yongan Metal Welding and Yankan Gas Factory a gundumar Hedong, Linyi City) wani reshen ne wanda Shandong Yongan Heli Cylinder Co., Ltd. ya saka hannun jari kuma ya gina shi kuma shine kwararre mafi ƙarfi. Kamfanin samar da iskar gas a kasar Sin.Babban jarin kamfanin da aka yi wa rajista ya kai yuan miliyan 28.5, kaddarorin da aka kafa sun haura yuan miliyan 80, kuma yawan kayan da ake samarwa a shekara na silinda daban-daban ya zarce miliyan 5.Ta hanyar ingantaccen tsarin kula da farashi, kulawa mai inganci da dogaro da dabaru da fa'idar sufuri a Linyi, samfuran suna sayar da kyau a duk lardunan kasar Sin kuma ana fitar da su zuwa kasashe da yankuna da yawa.