dongying changsheng import & export co. ltd. is located in the beautiful and richly-endowed yellowriverdelta–dongyingcity.itisaspecializedimport& export enterprise integrating r&d and foreign trade, and manufactures products of different materials like stainless steel,heatresistantsteel,alloysteel,carbonsteel, etc.using advancedsilica sol technology. the monthly yield is up to over 50 tons. meanwhile, we are capable of performing heattreatment,machining,electrolyticpolishing,mirrorpolishing,etc. onprecision castings.being equipped with a first-class technical team and superior process r&d ability, we can strictly control thequality ofcastingproductsaccording toa widevarietyofcustomer needs. we always takecustomer satisfaction as our criterion and customer delight as our goal, and strive to offer our customers withqualityprecisioncastings.ourproductsmainlyincludehardware fittings, impeller, pumpvalves, building hardware, ship hardware, pipe components, automobile accessories, clamps and connectors, flangesandothermechanicalparts.ourproductsareexported to many countries and regionslikeusa,germany,holland,italy,australia,taiwan, etc.. we are hopefully devoted to the sincerebusinessnegotiationswithalldomesticandforeignguests. 
联系电话：  季经理

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东营市长晟进出口有限公司
季经理
13181868898
胜利工业园