SEM Pre-Work Investigation and correction suggestions

Dear Sir Our company will doing SEM work, the budget that is not clear amount right now, at the beginning, every month around USD 1000 for all budgets, If ROI is good, this budget no limit. For help to start this work, i need professional company to help me check my website and give me some suggestion to how to doing this advantage work, do not waste my money. I put this task work to choose company to deal in further. We do not accept personal, the reason is we will choose one or two companies to help me doing all work, right now that is SEM work, in further we also need email marketing, website developments SMM, as so on. Website Detail Website: [login to view URL] Host: US Bluehost VPS Standard Services Website Software: Wordpress Company: We are international trade company, the main product are disposable products, like non-woven medical consumables, surgical face mask, examination glove series, disposable paper cup, disposable PE glove and plastic bag, So we are doing the SEO and PPC base on those product at the first time. at the first time we will choose surgical face mask, clip cap, nitrile examination glove, vinyl examination glove, pe glove, pe bag and paper cup for first time doing SEO+PPC. I am not professional work to know this detail, but i just list some need, from my poor knowledge, Inquiry [login to view URL] check, no matter load speed or LP or call to action, i just want you give me some advice to improve my website Conversion rates from SEM work. so i do not hope i am waste my money due to my website problem. 2. ROI, this is key point, from SEO or PPC, i wants to know the forecast ROI for investment money and know the key point to increase that. 3. Operation Part, The SEO and PPC must be make two list. How much i spent in SEO and how much in PPC work. Remember the key point that is not spent how many and how to doing, but good ROI for what we are paid. We are willing to pay the high value suggestion and will happy to work with professional companies.