... test enterprise in CNPC and established JINAN DIESEL ENGINE COMPANY LIMITED,with”Petroleum Jichai 000617” listed in Shenzhen Stock ... was regarded as 3A class enterprise by CAQ,Jichai products aslo passedinter-national certificates include Commu-nate Europpene, ... ,Tunisa,Sudan,ect.Jichai owns international advanced maching enter,products testing center,physical & chemical test center and measuring ...