For shipping from China to Oman, here are a few shipping agents and freight forwarders that can help with logistics and transportation services:

1. Sinotrans

• Services: Sea freight, air freight, customs clearance, and door-to-door delivery.
• Specialization: Tailored logistics solutions for international shipping, including to the Middle East region.
• Website: Sinotrans

2. DB Schenker

• Services: Air freight, sea freight, land transportation, customs clearance, and logistics.
• Specialization: Reliable services with strong presence in Oman and the Middle East.
• Website: DB Schenker

3. Maersk Line

• Services: Sea freight (container shipping), customs brokerage, and logistics solutions.
• Specialization: One of the largest container shipping lines globally with regular services to Oman.
• Website: Maersk

4. MSC (Mediterranean Shipping Company)

• Services: Sea freight, container shipping, and supply chain solutions.
• Specialization: Global logistics network with frequent connections to the Middle East, including Oman.
• Website: MSC

5. Kuehne + Nagel

• Services: Sea freight, air freight, and logistics services.
• Specialization: Comprehensive logistics services, including end-to-end supply chain management.
• Website: Kuehne + Nagel

6. Flexport

• Services: Air and sea freight, customs brokerage, and tech-driven logistics solutions.
• Specialization: Transparent and efficient logistics with real-time tracking.
• Website: Flexport

7. Aramex

• Services: Express shipping, freight forwarding, customs clearance, and international logistics.
• Specialization: Middle East-focused company with a strong presence in Oman and neighboring countries.
• Website: Aramex

8. China International Freight (CIF)

• Services: Air and sea freight, customs clearance, and door-to-door service.
• Specialization: Shipping solutions from China to the Middle East, including Oman.
• Website: CIF

These companies can handle a variety of shipping needs, whether you are shipping small packages or large freight. If you have specific requirements, like volume or speed, I can help narrow down the best fit for you.