2014.10.15， 世界五百强里面的前50强，全球油田技术服务的领导者SLB旗下的SWECO公司与妍杰签署战略合作框架协议， 开启了纵深发展的新篇章。
    In 15th, Oct 2014, the top 50 of Fortune 500 companies – SLB (The worldwide leader in the oilfield technical services) , it’s subsidiary – “SWECO” has signed a strategic cooperation framework agreement with YANJIE, opened a new chapter for further development.