Hi Xueteng
I can manually insert/update one product to nosto using PHP.
I have good experience with web development for 7 years.
I already check your description carefully and I knew what do you want.
My pros is best Algorithm and strong secutiry.
I will follow your suggestion about budget for you.
if you want fair cost and highest quality please contact.
I am ready to work anytime.
I will try my best for you.
regards
serhii