Dear Sir/Madam,
i am writing to express my dissatisfaction with XXX (厂家)products and request alternate starting XXX (退还货的日期)
the main problem i found is that extremely low quality class exists in your products against your advertisement descriptions on television and internet.moreover,the colors were fade away after first washing in the washing machine.
i would be very grateful if you consider this request at your earliest convenience.thank you for your help in this matter.i look forward to hearing from you soon.
your sincerely,
XXX(姓名)