I am a purchasing agent in China. What I can do for you is: find factories that are willing to produce what you want, negotiate prices and send you samples or pictures as needed, help with the drawing up and translation of a contract, monitor production for quality control and arrange for shipping. In short I can be your agent in China and look after your interests here.
You may wonder why you need an agent in China, maybe you could save money by dealing directly with  factories. But if you do not have someone on the ground you will be vulnerable to being ripped off, should the factory decide to try to do so. You will probably also end up paying a higher price for the goods because you do not have someone there to bargain on your behalf. Besides should some problem arise it may be difficult to deal with the factory remotely.   I certainly hope we can do business together. For more information about our company please check out our website at: http://www.geocities.com/yiwubranch/