Be prompt, but your Malaysian counterpart may not be. Hold preliminary business meetings at your counterpart's office or at a business hotel or restaurant. Breakfast meetings are not common. Short-sleeved shirt and trousers socially. Smart casual socially.
Customs vary with ethnicity.
Business cards are given and received with both hands. Varies with ethnicity. Pens or company-personalized items. Red, blue or gold. Avoid black or white.