what type of visa I should apply for and if I am likely to get it without problems.
You need Visa type B-1. It's Business Visa which is often combined with B-2 (Tourist) Visa.
You must submit the following documents:
- non immigrant visa application DS-160 (online),
- valid passport with expiration date at least six months beyond the intended stay in the US,
- one picture 2 "x 2" (5 cm x 5 cm) taken within the last six months,
- proof of non-refundable fee for processing an application
In addiction one important paper is invitation from the US company.
Application cost for the Visa is 160$.
If anybody went through the whole process please share with us and provide more detailed information.