I have the same experience too. As said that特侖蘇contains more nutrients, I intentionally gave my boy to drink and around half year before, once I poured out the milk into a cup and let my son drink and found that there are 一舊舊, I called 蒙牛 customer service in HK and they just NEVER NEVER reply me. I think their CS are so worse so I didn't buy 特侖蘇ever, u know 特侖蘇is quite expensive ma, but I bought "ure Milk 250" for my son randomly, I still have few boxes left, did any moms have go to Welcome to refund? will they refund cash or need to exchange other products?