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Jiangsu Hexin Oil Co.,Ltd
ADD:NO.9,Weiwu Road,Dongtai Industrial Park, Dongtai City Jiangsu Province, P.R.China

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1.Bulid detailed files with purchase records for all customers by full-time staff. 
2.Conduct survey to the customers periodically, to have their good recommendations and keep continuous improvement. 
3.Respond to the customer within 24 hours upon any quality objections or service demands, or get to the site within 72 hours if necessary.