辽宁省消协农机产品质量投诉监督站，专管质量投诉问题。办理投诉有这样几种方法：电话投诉、书面投诉、来人投诉、咨询等。正式受理一定要有书面材料。投诉者在书面材料上，要写明投诉人的姓名、通讯地址、邮编、电话；要写清被投诉者单位名称（农机生产企业或农机销售单... Liaoning Provincial Consumer Association agricultural product quality complaints monitoring station, in charge of quality complaints. There are several ways to handle complaints: telephone complaints, written complaints, complaints, advice and so on. Formal acceptance must have written materials. Complainant in the written materials, to indicate the complainant’s name, mailing address, zip code, telephone number; to write the name of the unit being complained (agricultural machinery or farm machinery sales slip ...