1: Can I order samples for testing? Re: No problem, and we provide FREE samples. 2: Could you print Logo for items ? Re: Yes, I can help you print Logo as your request. 3: What is your lead time? Re:If there is stock, it will take 3 working days. If not, it will take 5~7 working days. 4: Is your product certified? Re: Yes, all our products are certified, MSDS, COA, SGS, IFRA, etc