Let me introduce my background company first.My company is Klungchai Motor limited partnership. Base is in Thailand.My company run about repair and sell some of alternator,starter,voltage regulator for truck,bus,and car.So i am looking for voltage regulator for Benz truck is IB298 (28V.)Could you please check and quote me,if you have this one?Quantity is 100 Pcs. But at the first,i would like to get a sample one for testing in my country. You can charge me for sample,if your company is available for that.I hope you understand.I am waiting to your response closely.