diaodu, actually GDL should be done by parents. But nowsaday the bride and groom will take charge.
Below are list of things that need for GDL.
Groom:
Roast Golden Pig (either on AD/GDL, up to you)
24 cans pig trotters (bride have to return some)
Red packet - bride price (bride have to return some)
Biscuits/Cakes (bride's side request, bride to return the number groom wants)
2 bottles of Martell
1 pair of Long2 Feng4 Zhu2 (groom takes a pair of phoenix and bride takes a pair of dragon)
4 Gold - Si4 Dian3 Jin1
Oranges (Bride to return some)
Big basket (for groom to put things in, for bride to put things in for return then groom carry back home)
Fa1 Gao1
Ang pow for match maker (if any)
Rock sugar
Melon sugar
Bride:
Pants for groom
Ang Pows for groom's parents and unmarried siblings
2 bottles of honey/1.5L soft drinks in exchange for the Martell
Towels wrapped up as presents for groom's parents, grandparents and aunties
2 lamps (either battery operated or electrically operated)
Comforter Set, Blankets, Pillows for bride, bed sheets, bolster (tie together using ribbon) - bedsheet to be used for an chuang
Suitcase to put bride's clothes, new set of pyjamas, etc
2 Tea set (for groom's side and bride's side)
Baby Bath Pail
Face basin
Xi stickers (include 2 big ones to paste master bedroom door and main wooden door, small ones to paste everything)
Ruler
Ribbons (3 different sizes, big one to tie pillows)
Fans (1 pair) - Not for Hainanese custom
Home slippers - Not for Hainanese & Cantonese custom
Handkerchief - Not really necessary
Spittoon
1 Sewing Box with 6/8/12 rolls of threads + needles + scissors (scissors dun use for cutting so soon)
Mirror, comb
Mouth rinse container
Yan2 Ji2 (include 10 big & 10 small)
Red strings (1 pair)
Variety of gold jewellery in a box for bride (has to show to the in laws, then bride keep after actual day or depends on when mil wants to return)
Longans, red dates, bai3 he2, lotus seeds, rock sugar, yuan2 bing3 for groom
Fa Gao1
Pig trotters, red packet ($18), biscuits for matchmaker (if any)
Red Banner (for bride)
Red packet (for bride)