Business Trip to Thailand

Attire
Apperance matter
Tie is important
Western business suit and long sleeve shirt
Avoid black, purple colors

Etiquette
No negative comments about Buddha, King
Avoid negative, opec criticisms in general
Courtesy is very important 
There is a strong hierarchy in Thai society
Thai greetings often involve a wai
Build personal relationship first
Business cards are important

Conclusion
Not very different from Western business etiquette
Some important rules:
Avoid open criticism
Apparence matter
Build personal relationship
Think about your business card

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