Why is there some problem in sending messages from the Chinese mobile number?

It's all because it is a China set. Usually a China set is equipped with low quality and fake message center which is not authorized by the service people. These phone find it hard to use the operators privacy information and its hard to send message to people. These phones are like smuggled phone or the un-official or you can call it a fake phone. These are just used to make calls and for entertainment purpose. It has many problems involved and can ultimately lead you to lose your money. Try investing your precious money in phones which offer good features and are worth of owning. The branded phones are best option as they are provided these days at affordable prices and never run into problems. Also the china set might often create problems regarding battery options. The battery is the biggest deal in a china set as they are completely fake and run for few months and then gets out of shape. These toxic batteries might create few problems to your brain system and also might affect you. So try going for brands like Nokia or Samsung which are offering good ranges of mobile phones at really cheap prices.