Open a website in Baidu.com

We are a European company, our office is in Italy. We intend to offer our product in China. We want our brand to be present in the search engine [login to view URL] We need to create a website, which includes all the necessary information for a Chinese customer to visit us, our interest will be aimed at companies therefore subject including: Wholesalers, Distributors, Chains distribution that we want to buy large quantities of our product . We already have, of e-commerce sites developed in these languages: Italian, English, French, German. We can expect to also enter the Chinese language, the potential customer will go on [login to view URL] site - after will be redirected to the e-commerce site and will buy the product. We have offices in China, we need a Chinese site that opens very quickly and is a Chinese server. To get high rankings, we must also provide for an SEO work oriented positioning in search engines, we need a detailed keyword report more 'used in [login to view URL] - in English, related to our product, then we will choose the best to work from the SEO point of view to position ourselves well. In addition to this, we want to understand how to manage the advertising and marketing with WeChat - what possibilities there are to know our product and brand? Specify, cost - time of realization of the project thank you