The data below is for reference, cause the standard in different airlines vary. It is strongly suggested that you consult the relevant airlines.
Air China
Except for the America-Canada air route, consignment weight is 20Kg(30kg for students), 115cm, 10kg for handbags.
America-Canada Route: Consign 2 pieces, 32 kg per piece; 158 cm, 5kg for handbags.
China Eastern Airlines
Except for the America-Canada air route, consignment weight is 20Kg, 115cm, 5kg for handbags.
America-Canada Route: Consign 2 pieces, 32 kg per piece; 158 cm, 5kg for handbags.
China Southern Airlines
Except for the America-Canada air route, consignment weight is 20Kg, 115cm, 5kg for handbags.
America-Canada Route: Consign 2 pieces, 32 kg per piece; 158 cm, 5kg for handbags.
Northwest Airlines
North-America air route, consign 2 pieces, 32 kg per piece; 158 cm, 5kg for handbags (laptops not included).
Sino-Japan Airlines
Consignment weight is 20Kg(no size specification), 9kg for handbags (laptops not included).
United Airlines
One piece is allowed to board, and the consignment weight is 23Kg per piece, the total length of length, width and height is no more than 158cm; One handbag is allowed to board, and the consignment weight is 18kg and the total length of length, width and height is no more than 115cm.
American Airlines
Two pieces for comsignment, 23kg for each one, and the sum of length, width and height is no more than 158cm while 115cm for another one, 5kg for one handbag, and the total length is less than 115cm.
Continental Airlines
Two pieces for comsignment, 23kg for each one, and the total length of length, width and height is no more than 158cm, 8kg for one handbag, and the total length is less than 115cm.
Air Canada
Two pieces for Sino-Canada, American, South American route, 23kg and 158cm for each piece. 8kg for hand carried luggage (23*40*55 cm); 57*56*23cm for garment bag and 16*33*43 for briefcases.
Sino-canada route (immigrant): one more piece is allowed, and 50% off for the third piece. The weight for hand carried luggage is as above. One more piece for two people, and 50% off for the third piece.
Lufthansa German Airlines
One piece of luggage for cental europe route(for students) and the weight cannot be more than 30kg (Dimension: 50*44*30 cm); 8kg for hand-carried luggage (Dimension: 50*44*30 cm). One piece of luggage for cental europe, central africa and the middle east route(for adults) and the weight cannot be more than 20kg (Dimension: 50*44*30 cm); 8kg for hand-carried luggage (Dimension: 50*44*20 cm). Two pieces of luggage for south african route, 32kg and 158cm for each one; 8kg for hand-carried luggage ((Dimension: 55*40*20 cm)).
British Airways
There is no requirements on luggage quantity. The weight for luggage consignment is 23kg. For North America, Central African, the Middle East routes, the luggage quantity is two with 32kg for each one, and the sum of length, width and height is 158cm per piece. For Central Europe route (for students), the luggage quantity is one and the weight is 30kg.
Air France
For Central Europe route(for students), the luggage quuntity is one and the weight is 26kg. The sum of length, width and height is less than 300cm; 12kg for one hand-carried luggage, and the sum length is less than 115cm.
For Europe, Central Europe and the Middle East routes, the luggage quantity is one with the weight of 23kg, and the sum is less than 300cm; 12kg for hand-carried luggage, and the sum length is less than 115kg.
For North Africa, South America, Caribbean Sea, Indian Ocean routes, consignment quantity is two and 32kg for each one, 158cm for each one; 12kg and 115cm for hand-carried luggage.
Singopare Airlines
For Southeast Asian, Western Asian, African, Australian, New Zealand routes, the consignment lugguage is limited to one piece and the weight is 20kg; for hand-carried luggage, the weight is 7kg.
For North Ameriacan routes, the consignment lugguage is limited to two pieces and the weight is 32kg for each one; for hand-carried luggage, the weight is 7kg.
Hong Kong Dragon Airlines
The consignment luggage quantity for Southeast Asian, Australian, Singapore, European, the Middle East, African is one with the weight of 20kg, a sum length of 273cm, 5kg (56*36*33 cm) for hand-carried luggage.
The consignment luggage quantity for Southeast Asian, Australian, Singapore, European, the Middle East, African is two with the weight of 32kg for each one, a sum length of 158cm, 5kg (56*36*33 cm) for hand-carried luggage.
Japan Airlines
The consignment luggage quantity is one with the weight of 20kg, a sum length of 158cm, 10kg (the sum length of luggage is 115 cm) for hand-carried luggage except America-canada route.
For America-Canada route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 10kg (the sum length of luggage is 115 cm) for hand-carried luggage
All Nippon Airways
The consignment luggage quantity is one with the weight of 20kg, 10kg (the sum length of luggage is 115 cm) for hand-carried luggage except America-canada route.
For America-Canada route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 10kg (the sum length of luggage is 115 cm) for hand-carried luggage
Korean Air
The consignment luggage quantity is one with the weight of 23kg (the sum length of luggage is 115 cm), 12kg (the sum length of luggage is 115 cm) for hand-carried luggage except America-canada route.
For America-Canada route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 12kg (the sum length of luggage is 115 cm) for hand-carried luggage.
Asiana Airlines
The consignment luggage quantity is one with the weight of 20kg (the sum length of luggage is 158 cm), 10kg (the sum length of luggage is 115 cm) for hand-carried luggage except America-canada route.
For America-Canada route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 10kg (the sum length of luggage is 115 cm) for hand-carried luggage.
Thai Airlines
For Southeast Asian route: The consignment luggage quantity is one with the weight of 20kg (the sum length of luggage is 115 cm), 7kg for hand-carried luggage except American route.
For American route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 5kg for hand-carried luggage.
Malaysian Airlines
For Southeast Asian route: The consignment luggage quantity is one with the weight of 20kg (the sum length of luggage is 115 cm), 7kg for hand-carried luggage.
For North American, South American route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 5kg for hand-carried luggage.
Air Macao
For Taipei and Gaoxiong route, the consignment luggage quantity is one with the weight of 20kg (20*40*55 cm), 5kg for hand-carried luggage.
Turkish Airlines
The consignment luggage quantity is one with the weight of 20kg, 5kg for hand-carried luggage except North American, South American route.
For American route, the consignment luggage quantity is two with the weight of 32kg for each one, a sum length of 158cm, 5kg for hand-carried luggage.
Swiss International Air Lines
For students travel on Central Europe route: the consignment luggage quantity is one with the weight of 30kg (the sum length is 203 cm), 10kg (the sum length is 115 cm) for hand-carried luggage except North American, South American route.
For Central Europe, Central Africa, South America and North America route, the consignment luggage quantity is one with the weight of 20kg for each one, a sum length of 203cm, 10kg for hand-carried luggage, a sum length of 115cm.
Virgin Atlantic Airways
For students travel on London route, the consignment luggage quantity is one with the weight of 35kg (40*60*100 cm), 6kg (23*36*56 cm) for hand-carried luggage.
