oil tank manufacturer 2.ISO9001:2000 3.MQQ:100 4.Payment:L ... Machinery Co., Ltd., established in 1995, is a professional manufacturer engaged in the research, development, production, sale and service ... timely delivery time4.sales method: export, manufacture, wholesale, OEM5.technical: advanced and quality approval6.payment term: T/T L/C ... : 86-0312-5926887Fax: 86-0312-5926887 oil tank manufacturer