For those who reside or stay in Beijing (China) at the time of waiting for the visa to Vietnam, there are two ways to get Vietnam visa, through Vietnam Embassy in Beijing (China), or get Visa on Arrival via online service:

Get Vietnam Visa through Vietnam Embassy in Beijing (China)

• Issuing unit: Vietnamese Embassy in Beijing (China)
• Processing time: 3 to 5 working days
• Processing fee: 50 – 85 USD/person
• Additional fee: Postal cost
• With Passport requirement
• How to get it? You reach this Embassy in person and follow the required procedures.

Get Vietnam Visa on Arrival via visa service:

• Issuing unit: Vietnam Immigration Department
• Processing time: 2 to 3 working days
• Processing fee: 21. 25 USD (1 month single), 26.25 USD (1 month multiple), 35 USD (3 month single)…more(stamping fee NOT included)
• Without Passport requirement
• How to get it? You go online at http://vietnamvisapro.net/, fill in the secure form, and just wait 2-3 days until you receive your Visa Approval Letter, and take this + your passport + 2 photos to Vietnam to get your visa at airport. This seems to be the cheapest and easiest way to get a visa to Vietnam from Beijing (China)

Embassy of Vietnam in Beijing, CHINA 
Address: No 32 Guanghua Rd., Jiangou menwai, P.O.Box 00600, Beijing, CHINA
Phone: (86-10) 6532 11
Fax: (86-10) 6532 57
Email: suquanbk@yahoo.com
Website: www.vnemba.org.cn
Note: Consular telephone: (86-10) 6532 7038