Components of Helka's sea and air freight services include:
- Import and export booking process
- Documentation process
- Stuffing cargo into export containers
- Unstuffing cargo out of import containers
- Cargo consolidation and delivery
- Customs clearance and declaration
- Door-to-door physical distribution
国际空运服务：
国际空运业务是中贸货运的传统优势项目，我司在世界各地占有多家航空公司签定服务协议，有足够的仓储保证，香港、国内均可以安排航班往返世界各地，并代理到付业务。