Recently KLS Environmental Protection Technology Co.,Ltd has been the first enterprise in China to get DEF （Diesel-Exhaust-Fluid）Certificate approved by API (American Petroleum Institution).
AdBlue will be a must-have for SCR systems of heavy-duty trucks and buses when Chinese IV Emission Standard completely will be implemented in 2012. Now in China, there exists no national standard, however KLS, as a professional manufacturer of AdBlue, has created the first enterprise standard in 2009 and then applied for DEF.
DEF is the most authoritative certificate for AdBlue in American, Canadian market and it turns to be tougher than that of Europe and Asia because American Environmental Protection Agency carried out a more strict emission standard in 2010. During the half year’s certification process, a team of exports from API pored deeply on production capacity equipments and quality
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