... Bag, Then in Wooden CaseSpecification:ISO9001Trademark:AOKAIOrigin:Tianjin, ChinaLength:1-12mOutside Diameter:30-1800Slot Opening: ... water supply.Company Profile:Tianjin Aokai oil TOOLS CO.,LTD. located in HOGNQI ROAD,DAGANG OILFIELD,TIANJIN,CHINA, which is ... collection of scientific research, production, manufacturing, sales and service as one of the major high-tech enterprise ...