An samu a shekara ta 2007, Hangzhou Yurong Commodity Co., Ltd. shi mai gaba na karama na tsinkin mai saukar da wani abu a yankin Jiangsu-Zhejiang-Shanghai. Shugaban shirin ya buƙata ƙoƙarin da yawa ta 15,500-square-meter a Leidian Shenghua Logistics Park a Deqing, kuma ya jira da karama na tsinkin mai saukar da wani abu ta 13,800 tons a cikin ƙarshen ƙoƙari na 1,100. Ya zama mai amfani da karama na tsinkin mai saukar da wani abu (OD 76–530 mm, WT 4–30 mm), Yurong ya ba da karama na muhimmi a matsayin 20# carbon steel daga karama na Xinye Special Steel, Shandong Dayang, Shandong Panjin, da Jiangsu Tianhuai. Ta hanyar yadda ya yi amfani da karama da kuma ta sanya da karama ta ƙarshen 150,000 tons a shekara, shirin ta ba da aiki ga ƙarshen al'adu kamar: aikin gida, aikin sayayyen, aikin mota, aikin petrochemical, aikin tattalin arziki na kofin, da aikin karama na kofin na kafin kafin. Yurong ya nuna cewa shi da karama na aiki da karama na mutane da yawa ta 30. Wato ya kawo aiki ne a cikin yankin China (aikin bayarwa an nuna shi ne "Ba"), kuma ya nuna cewa ya nuna karama na aiki da karama na karama, karama na karama, karama na karama, da karama na aiki da karama. Babu wani shirin na karama na karama da karama na karama.