Today, there are suppliers who are seeking 1,11-undecanediol, and everyone has heard of this news. Merchants in the market all want to be Suppliers, whether they can supply 11-undecanediol, or they say that their own goods are good, or they say that the price is good. Or they can develop their warehouses to prove that the quantity of goods is sufficient; or they can demonstrate the refinement of their craftsmanship to be of good quality. However, those who seek should carefully observe the merchants, distinguish their falsehoods, and examine their qualifications. Only then can they obtain a good Supplier, so that the supply of 1,11-undecanediol will be worry-free, and everything will go well.