... warranty 2years after installation MOQ 1x20"container Zhejiang Rongrong Industrial Co.,Ltd.,founded in 2007,integrates the reserch,development,manufacture and ... ISO9001:2000CE,NF AND GS .Strict quality control, innovative product R&D and international marketing perspectived make BSDT radiator become ... exported to more than 30 countries and areas,with an out put value of hundreds of millions of yuan. ...