I am S.Waseem, engaged in selling Kojic acid CAS 501-30-4 in Russia, thus, it is extremely important for me to select a reliable supplier of Kojic acid CAS 501-30-4.
Google “Company Name”
A renowned company name usually shows a great deal results on Goolge Search, because its company name is frequently searched by their customers or cited by other web sites.
Take “Foodchem International Corporation” as an example, as has been showed in the below picture, there comes out more than 298,000 searching results on Google. 
Company Name
As a professional trader or manufacturer of food additives, normally its company name has food, chemical, additives or other key words in it. Other trading companies who have affairs in all fields, usually performs unprofessionally.
Location
Generally cargo takes ship delivery; thus, sustainable trading companies tend to set their sites in coast cities, such as Shanghai, Qingdao, and Tianjin in China.
Shipping and Payment
In order to meets different needs of buyers, according to intercoms, Kojic acid CAS 501-30-4 suppliers often provides several payment ways, such as FOB, L/C, D/P, T/T and so on.
Exquisite Website
Qualified Kojic acid CAS 501-30-4 suppliers tend to have more elaborate and professional web site, with better user experiences and less bugs or faults.
Sales of Supplier
There are tons of suppliers of Kojic acid CAS 501-30-4 in China, thus, supply scale should be important, Kojic acid CAS 501-30-4 suppliers with a certain size suppliers tend to have more bargaining power, in some country, we can even find their Kojic acid CAS 501-30-4 supply volumes through customs data.
Size of Team
Member Size of suppliers or manufacturers also plays a very important role; generally number of manufacturers is slightly larger than traders. A complete overseas trade involves a lot of sessions; To perform perfectly, each session requires well-professional persons. A well-founded overseas trading company generally includes online marketing, sales, logistics, purchasing, service, administration departments, etc.
Normally we can scan through the vendor’s web site or some third-party social networking sites to confirm suppliers’ team size.
Certificate
A formal operation supplier of food additives normally passes ISO certificate as well as other well-known certificate like halal, kosher, ect.